Science

The best workout apps for all kinds of exercise

The best workout apps will save you time and (often) money, and many include social features that allow you to get some of the in-person benefits that you’d find at the gym. These apps vary in the quality and variety of instruction, but you might be surprised by the caliber of some free exercise apps—some feature top-notch fitness pros.  As a personal trainer, I’ve used some of these apps myself and have recommended them for clients and friends. Some apps…

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Eliminating heavy metals from baby food is frustratingly complicated

This article was originally published on Undark. Rice cereal is a staple in many American babies’ diets, and is often the first solid food an infant eats. In recent years, however, it has also become one of many baby foods that has been raising alarm among lawmakers and parents. Most cultivated rice grows submerged in paddy fields, primarily in South and Southeast Asia, although it is also grown in the United States and many other countries. These flooded fields provide…

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Sugar substitutes won’t help you lose weight

New guidance from the World Health Organization (WHO) says to avoid using sugar substitutes if you are trying to lose weight. Some common non-sugar sweeteners (NSS) include aspartame, saccharin, sucralose, stevia, among others. These substances are found in a wide range of products including diet sodas and most items labeled “sugar free.” They’re often used to replace full sugar drinks and snacks during diets. Consuming non-sugar sweeteners, “does not confer any long-term benefit in reducing body fat in adults or…

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The world’s first 3D-printed salmon is hitting store shelves, and it looks kind of good

The jury may still be out on plant-based meat alternatives’ economic and environmental viability, but experts largely agree that the seafood industry in its current form is untenable. Overfishing presents countless ecological problems, including plastic pollution and the potential for a wholesale collapse of marine biodiversity. Researchers have been experimenting with seafood alternatives for years, but one company is finally ready to bring its offering to market—and it represents a major moment within the industry. Austrian-based food-tech startup Revo Foods…

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Turmeric may help stomach aches, study shows

Turmeric seems to be everywhere these days—on spice shelves, sprinkled on lattes, in beauty products. While the beloved golden spice has long been touted for health benefits, albeit not always backed up by extensive research, a new study in BMJ Evidence-Based Medicine found that turmeric shows signs of being just as or more effective for indigestion than some conventional over-the-counter drug options. The study, led by Krit Pongpruil, an associate professor of preventative and social medicine at Thailand’s Chulalongkorn University,…

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Fish oil supplements might still not be as good as the real thing

The dietary supplement market in the US is valued at more than $50 million dollars. One slice of that—fish oil supplements—has been growing in popularity in recent years, thanks to the many health benefits touted on their labels. However, medical research has not been able to confirm that consuming the omega-3 fatty acids in them offer many cardiovascular benefits. Despite this lack of hard evidence, fish oil marketers continue to make outsized claims about the supplement’s benefits, according to a…

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A hunk of cheese is a perfect playground for fungal antibiotics

Behold the microscopic power of cheese. The dairy product has been a dietary staple for generations, but it is also helping microbiologists better understand nature’s microbiomes. In a study published May 10 in the journal mBio, a team of researchers used cheese rinds to demonstrate how fungal antibiotics can influence how microbiomes develop.  [Related: Beehives are the honeypot for a city’s microbial secrets.] Metabolites produced by fungi can improve human health. Some secrete penicillin, which is then purified and used…

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‘Forever chemicals’ detected in paper and plastic straws

In 2015, a viral image of a sea turtle with a plastic straw up its nose made the single-use plastic item environmental public enemy number one, ushering in the era of the polarizing paper straw. Now, some new research found that paper straws might have some downsides, and not just because they tend to crumble under pressure.  A small European study that tested 39 brands of straws published August 25 in the journal Food Additives and Contaminants found that some…

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January AI glucose monitor review: A pricey but effective approach to fine-tune your diet

We may earn revenue from the products available on this page and participate in affiliate programs. Learn more › What if you could walk into a grocery store, scan the barcode on a Rice Krispie treat, and find out how it would affect your blood sugar before buying it? That’s the promise of January, a virtual continuous glucose monitor (CGM) system that the company describes as a “24/7 AI health coach to change the way you live.” As a middle-aged…

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Scientists made a woolly mammoth meatball, but don’t grab your fork yet

Update 3/31/23: Another food-tech company, Paleo, alleges that they first developed patent pending meat with mammoth myoglobin in 2021, and are now considering legal action against Vow. This post has been updated with their comments, along with a response from Vow Researchers and ethicists have argued over the how’s, if’s, and should’s of reviving woolly mammoths for years—in the meantime, one startup just reportedly went ahead and cooked up their own version. As first highlighted by The Guardian, an Australian…

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3D-printed vegan calamari rings could be next on the menu

The global commercial fishing industry is a major contributor to Earth’s environmental crises and ecological destruction, but you’re unlikely to find many sustainable or vegan seafood alternatives next to the synthetic beef and chicken in grocery stores. That lack of options may soon change, however, thanks to 3D printers, mung beans, and microalgae. At the American Chemical Society’s fall meeting this week, a team from the National University of Singapore presented the results of a newly synthesized mock seafood that…

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Kombucha’s health benefits may go beyond our guts

The next time you go grocery shopping, don’t forget to pick up a case of kombucha. Tea lovers have long hailed the funky, fermented drink for keeping the gut healthy and running smoothly, and now we can tack on diabetes management to the list of potential benefits. A small study published on August 1 in the journal Frontiers in Nutrition found kombucha stopped spikes in blood sugar levels for adults with Type 2 diabetes. With the number of Americans with…