10 Benefits Of Chocolate For Astounding Health

With the holidays right around the corner, I thought I’d take the opportunity to highlight a decadent food that, for many of my clients, is as much a source of pleasure as it is a source guilt. 

Well, guilt no more! Luckily this tasty treat has, as of late, benefited from a rise in popularity. An that holds true for media and the research community alike. The heart-healthy, brain-boosting, cold-fighting chocolate-related research findings sure help fuel the frenzy. 

But the question remains; does this yummy treat live up to all the hype?

The short answer is: it depends. Notedly, on the touted benefit as well as on the type of chocolate.

Read further to get the whole story!

Benefits of chocolate

Good Chocolate vs. Bad Chocolate

Wondering what’s so good about chocolate? Besides its delicious taste, chocolate is rich in two other compounds; flavonoids and theobromine. These compounds are the ones believed to give chocolate its healthful edge.

The catch? Not all chocolate is made equal! Cacao, the main ingredient found in chocolate, is, on its own, bitter, chalky and definitely not everyone’s cup of tea! This is why the likes of milk, sugar and butter are frequently added to the mix. Arguably, these additions counterbalance some of the potential positive health effects.

Most research looking into chocolate’s benefits is performed using high cocoa flavanol doses. For this reason, to increase your chances of getting similar benefits as those described below, it’s best to stick to the high-quality stuff. By that, I mean chocolate with at least 70% cacao. The higher the cacao content, the more likely you are to reap some of the benefits by eating just a small amount.

Curious to know which benefits I’m referring to? Here they are:

Chocolate for health

1. Lowers Your Risk Of Stroke

Apparently, chocolate can decrease risk of stroke by up to a third! Is that so? Let’s take a moment to dissect this claim! This popular affirmation originates from a study that followed around a little more than 37 000 Swedish men during a period of approximately 10 years. They found that those who consumed the most chocolate had a 14% lower risk of stroke.

But don’t get fooled into thinking that this means that eating chocolate leads to a lower risk of stroke. This type of study only shows that two things are related, not that one causes the other.

For instance, in this study, those who consumed the most chocolate also tended to be slightly leaner and eat more fruits and vegetables than those who ate less of the sweet treat. So is it the higher chocolate dose or the participant’s general health-promoting behaviours that drove the association? With this type of study, your guess is as good as mine!

The Verdict: Enjoying some high-quality dark chocolate, in moderate amounts, in combination with an array of other health-promoting behaviours may decrease your risk of stroke. As for chocolate by itself? Stronger research is needed to actually back up this claim.

Chocolate for heart health

2. A Healthier Heart

Chocolate sure is a popular remedy for the mending of a broken heart. That’s, however, not what I’m referring to. Over the past years, more and more research has emerged touting the benefits of the flavonoids found in chocolate (chocolate flavanols to be precise) on measures associated with heart health such as blood pressure and cholesterol levels.

For instance, a fairly recent review of placebo-controlled randomized trials (a.k.a. the strongest level of research currently identified) pooled results from 42 short to long-term trials comprising over 1297 participants. The researchers were able to link chronic (but not acute) chocolate consumption to lower blood pressure. What’s more, marginal positive effects on cholesterol were also reported. 

But before you go out to binge on a full-fledged chocolate fondue meal, it might be worth noting that the effects are minor. Researchers are talking about a ± 4mmHg decrease in blood pressure and a ± 0.2mmol/L reduction in cholesterol. None the less, these changes may predict a significantly lower 10-year risk of heart disease. 

The Verdict: Dark chocolate seems to exert positive, yet arguably small effects on heart health. To get the most bang for your buck, opt for chocolate with a cacao content of 70% or more.

Chocolate for weight loss

3. Weight Loss

Can chocolate really help you fight the flab? As surprising as this sounds, it actually might, as long as it’s dark!

Here’s some proof. A study dating back from 2011 published in the journal Nutrition and Diabetes gave 16 young healthy normal-weight men 100g of either milk or dark chocolate 2 hours before being served an all-you-can-eat-style lunch. In the 2 hours preceding lunch, participants reported feeling more satiated, less hungry after eating the dark versus the milk chocolate. Their desire to eat something sweet, fatty or savory was also reported as weaker. What’s more, when meal time came around, the dark-chocolate group ended up consuming 8% less calories than their counterparts. 

Perhaps even more interestingly, just the act of smelling chocolate may have equivalent effects! This clever study found that satiation levels increased equally after eating 30g of dark melted chocolate or after simply smelling it. What’s more, appetite scores decreased similarly after smelling the chocolate or eating it. Apparently, the act of smelling the chocolate is sufficient to activate ghrelin, one of the appetite-regulating hormones. 

The Verdict: No need to feel guilty about indulging in dark chocolate from time to time. And, if you’re feeling particularly experimental, make sure to give the “whiff test” a try!
Chocolate for stress

4. Reduces Stress

Most of us are acutely aware of the tendency to crave sweets (including chocolate) when stressed. But did you know that the relationship can work both ways?

A study conducted in Switzerland (out of all places) and published in the Journal of Proteome Research found that chocolate can help keep you calm and collected. The Swiss researchers fed 30 healthy adults, some of which were highly anxious, 40g of dark chocolate everyday for a two-week period. They then took a look at the effect this had on the participants’ stress-response. Firstly, researchers first observed that participants with higher anxiety traits showed a distinctly different metabolism (i.e. different hormone levels and gut bacteria) than their less-anxious counterparts.

Even more interestingly, following the 14-day chocolate supplementation period, the stress parameters observed in the highly-anxious participants became comparable to those of the low-stress subjects. Talk about an effective stress-buster!

The Verdict: Next time you’re feeling stressed, try melting a square or two of dark chocolate into your mouth. Bonus points for doing it in a calming environment. Repeat as needed.
Chocolate for pregnancy

5. Gifts A Smooth Pregnancy And Gives Birth To Happy Babies

Here’s some food for thought.

A fairly recent study published in the journal Epidemiology observed that out of 1681 pregnant women, those who consumed 5 or more servings of chocolate per week throughout their pregnancies had lower chances of developing preeclampsia (a pregnancy complication characterized by high blood pressure, sometimes accompanied by fluid retention and loss of protein in the urine). 

A separate study observed mothers-to-be who ate chocolate during their pregnancy to feel less stressed and more likely to report having a happy baby than those who didn’t eat any chocolate. 

Before you bring a box of (dark) chocolate truffles to your next prenatal class, keep in mind the following caveat; these type of studies, just like the one described in the “stroke” section above, are purely observational. This means they cannot show for sure that the chocolate is the cause of the reduced stress. Nor that chocolate actually causes babies to be happier. That being said, a little dark chocolate is very unlikely to hurt!

The Verdict: Did the chocolate decrease the mothers’ stress levels or were the less-stressed mothers more likely to indulge in chocolate? There’s no sure way to tell. But, despite the lack of scientific strength, if you personally feel less stressed after eating a square of chocolate, simply indulge in some. Like the saying goes…happy mommy, happy baby!

Chocolate against sunburn

6. Beautiful Sun-Proof Skin

Can eating chocolate actually gift you with beautiful skin that’s less prone to burning when faced with UV radiation? According to German researchers, the answer is yes and chocolate’s high flavonoid content may be to thank.

Said German researchers recruited 24 women between the ages of 18 and 65 and had them consume either a high flavanol (326mg/d) or low flavonol (27mg/d) cocoa drink for 12 weeks.

Following the supplementation period, they observed an increased blood flow to the skin, increased skin thickness and hydration as well as a slower development of reddening when exposed to sun-like UV radiation for the high-flavanol cocoa drinkers. Subjects who consumed the low-flavanol chocolate did not benefit from the same protection. 

The Verdict:e: Chocolate flavonoids may help protect skin from UV radiations to a certain extent. But that’s not to say that relying on it alone will be enough to prevent you from acquiring the not-so-flattering boiled lobster look!
Chocolate for your brain

7. Higher Intelligence

Chocolate flavonoids are, believe it or not, also touted to boost your brain power.

A study published in the Journal of Nutrition reported that, out of 2031 elderly participants, those who regularly consumed chocolate, wine or tea had significantly better mean test scores and lower prevalence of low cognitive performance than those who did not. Interestingly, participants who consumed all 3 had the best test scores and the lowest risk of poor test performance. 

That’s potentially because flavonoids, such as those found in chocolate, tea and red wine, can stimulate blood flow to the brain. In the case of chocolate, this effect has been shown in the brains of both young and old participants. 

As further proof, a daily dosage of 1200mg chocolate flavanols was recently shown to result in improvements in brain function in participants over the age of 70. The question remains, can a lower dose of your favorite chocolate treat also help turbocharge your brain?

The Verdict:e: Although they might not turn you into Einstein, it appears cacao flavanols exert at least some positive effects on the way your brain works. Just keep in mind that, as is the case wine and tea, it’s best to keep your consumption within moderate levels to ensure the “pros” continue to outweigh the “cons”. Make sure to check out this post for other memory-boosting foods.
Chocolate drink

8. Cold Relief

What if a cup of hot coco could help keep colds at bay?

A recent vaccine study published in the Journal of the Science of Food and Agriculture seemingly indicated just that. Researchers vaccinated two participant groups against the H1N1 influenza virus. The first group ingested cocoa extracts during the 3 weeks leading up to the vaccination, the second didn’t. The researchers then measured natural killer cell activity (a.k.a the activity of the cells fighting off the vaccine-provided “invaders”) and found it to be significantly higher in the chocolate flavanol consumers. 

What’s more, several other studies report that theobromine (the primary alkaloid found in chocolate) as able to quiet coughs in both animal and human models. Of course, chocolate is not the only polyphenol-containing food that can help fight viruses. But it arguably is one of the tastiest! 

The Verdict:e: A little chocolate may go a long way in keeping you healthy during the coldest and darkest period of the year.
Chocolate benefits

9. Makes You Happy

Here’s some scientifically-backed proof to something most of us have intuitively known for a long time already; chocolate can boost your mood!

Researchers gave a group of participants a dark chocolate drink mix containing either 500mg or 250mg of cocoa polyphenols or one containing no polyphenols at all. They then proceeded to test participants mood, memory and attention both immediately after the first dose as well as after 30 days of consuming the chocolate beverage.

The results? After 30 days, the high cocoa flavonol dose was able to positively influence measures of mood such as calmness and contentedness. 

A plausible explanation for this effect is chocolate’s potential to release “happiness-regulating neurotransmitters” such as serotonin and dopamine. 

The Verdict:e: A little chocolate everyday may help keep sour moods at bay!
Chocolate dessert

10. Acts Like A Prebiotic

What’s a prebiotic? It’s simply a term that refers to anything that can promote the growth or activity of microorganisms in your gut. You can think of prebiotics as the “food” on which probiotics feed. And if you’re familiar with the varied health benefits of probiotics, you definitely understand why prebiotics are important.

The good news? Cocoa flavanols can act as prebiotics. More precisely, a 4-week long intake of ± 500mg of cocoa flavonols per day was able to significantly increase bifidocateria and lactobacilli (a.k.a. beneficial bacteria) levels while decreasing clostridia counts (a.k.a. the harmful kind) in healthy humans when compared to a placebo.

A second important observation highlighted by the research authors is that the seemingly bidirectional nature of the interaction between the cocoa polyphenols and the gut microbes. In other words, chocolate helps provide food for the beneficial gut bacteria to feed on whereas the bacteria help increase the absorption of the chocolate polyphenols. Talk about a win-win partnership! 

The Verdict:e: A little dark chocolate can help keep your gut bacteria happy, which, in turn, possibly leads to an array of health benefits!
Chocolate

The Final Verdict

As you can see, most of the the benefits attributed to chocolate have sound scientific proof backing them up. On the other hand, this proof comes with some drawbacks.

The biggest of which is that to achieve some of the benefits described above, unrealistically high amounts of chocolate must be consumed each day. A second is that, in order to produce the tasty treat, cocoa has to be mixed with varying amounts of sugar and fat.

One way to swerve around these drawbacks is to opt for a dark (a.k.a. > 70% cocoa) chocolate. This will help you get the most cacao flavanols for the least amount of added sugar and fat. As for the daily dosage, keep it moderate. Although the lower flavanol dosage might not produce all of the interesting benefits listed above, it will, at the very least, bring some joy to your taste buds!

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