President Trump reportedly drinks 12 cans of Diet Coke each day
Those keeping tabs on President Donald Trump's diet know that Wendy's and McDonald's are staples. While campaigning, Trump inhaled Filets-o-Fish and Big Macs, savored bacon, eggs and sausage and snacked on Oreos.
He'd then wash it all down with a Diet Coke.
Just how much diet soda the president consumes, though, was revealed Saturday by the New York Times, which reported that Trump has a button to summon household staff for one of the 12 Diet Cokes he drinks each day.
It's a lot of soda to consume in one day, and - were it regular soda - most research suggests the potential consequences would be alarming. A 12-ounce can of regular Coke has 140 calories and 39 grams of sugar. By drinking Diet Coke instead, which has no calories or sugar, Trump has avoided consuming 1,680 calories and 468 grams of sugar daily.
But the effects of drinking diet soda have been long debated by experts, with some studies raising concerns about long-term health consequences. Experimental research on artificial sweeteners, like the ones found in diet soda, is inconclusive. The Canadian Medical Association Journal found in July that there are very few randomly controlled studies on artificial sweeteners - just seven trials involving only about 1,000 people - that looked at what happened when people consumed artificial sweeteners for more than six months.
Nearly half of adults and a quarter of children consume artificial sweeteners each day, according to the Journal of the Academy of Nutrition and Dietetics.
Diet soda might be a good short-term substitute for people trying to stay away from the high-sugar content of regular soda, when consumed in small amounts. Some dietitians and nutrition scientists believe sucralose and stevia, which can both be found in diet sodas, are a healthier alternative for people to enjoy sweet drinks without the calories.
But others say artificial sweeteners can confuse the brain and the body, desensitizing consumers to sugar and leading them to consume more sweets without being aware of their calorie intake.
There is one thing, however, most studies agree on: Even if diet soda is healthier, you probably shouldn't be drinking 12 cans a day.
Here's what the risks might be if - like Trump - you do.
Stroke or dementia
People who drank diet soda daily were three times more likely to develop stroke and dementia than those who consumed it weekly or less, according to a study published in April in the journal Stroke.
The study followed 2,888 people aged 45 and over for risk of stroke and 1,484 people 60 and over for dementia over 10 years. They were participants of the Framingham Heart Study, in which several thousand men and women have taken regular health tests since the 1970s.
The study found those who consumed at least one artificially sweetened drink a day, compared to less than one a week, were three times as likely to have an ischemic stroke from blood vessel blockage. They were also three times as likely to be diagnosed with dementia due to Alzheimer's disease. The effect of diet sodas persisted even if the researchers controlled for factors such as diabetes or high blood pressure.
But Matthew Pace, a Boston University School of Medicine neurologist and the study's lead author, emphasized that the research showed only a correlation - and not causation. While the risk of stroke and dementia was greater, the numbers were low.
"Three percent of the people had a new stroke and five percent developed dementia, so we're still talking about a small number of people developing either stroke or dementia," he said in a video explaining the study.
In responding to the study, the American Beverage Association said in a statement that low-calorie sweeteners have been proven safe by worldwide government safety authorities as well as "hundreds of scientific studies."
"There is nothing in this research that counters this well-established fact," officials said.
An unsafe amount of caffeine consumption
About 400 milligrams of caffeine a day is what's considered safe for most healthy adults, according to the Mayo Clinic.
That amount is equal to four cups of brewed coffee and 10 cans of soda - two cans less than the amount Trump drinks.
That much caffeine can lead to migraines, insomnia, restlessness and muscle tremors.
Weight gain
Obesity rates have leveled off in the last decade in terms of BMI, while the consumption of noncaloric sweeteners increased.
Those patterns could mean that artificial sweeteners have helped curb obesity, but studies in recent years suggest those sweeteners are causing the exact thing the people consuming them are hoping to avoid: weight gain.
The Canadian Medical Association Journal study in July found there wasn't much evidence proving sweeteners prevented weight loss. Researchers looked at 30 studies tracking people's diets over time and found that those who consumed sweeteners were more likely to have increases in their waist and waistlines - and had a higher risk of obesity, hypertension, metabolic syndrome, Type 2 diabetes and strokes.
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