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'Vestigial' human ear-wiggling muscle actually flexes when we're straining to hearA mechanism that activates specific muscles in our ears is a leftover from our evolutionary past, back when our ancestors depended more on their hearing for survival.
anatomy -
1 in 22 COVID survivors develop debilitating chronic syndromeA study suggests that catching COVID-19 significantly raises the risk of developing ME/CFS (formerly called "chronic fatigue syndrome"), a typically lifelong condition that can be debilitating.
coronavirus -
How does alcohol cause cancer?Research suggests that alcohol causes cancer through at least five different mechanisms.
food-drink -
What counts as 'binge drinking'? What about 'high-intensity drinking'?Episodes of "binge drinking" can have dangerous short-term effects, while repeated binge drinking can trigger longer-term problems.
food-drink -
Do cats communicate with their tails?From tail up to tail down, what do different cat tail positions and movements mean?
cats -
'Exercise juice' released by muscles helps nerves grow, study findsA new study in mouse cells hints that substances released by muscles can help nearby nerves grow.
exercise -
How does licorice interfere with medications?Eating licorice regularly, in large quantities or with certain medications can cause serious side effects. But why is that?
medicine-drugs -
Does activated charcoal interact with medication?Activated charcoal can reduce the effectiveness of certain medications. But why is that?
medicine-drugs -
Why does dairy make antibiotics less effective?Dairy products can affect the way certain medications work. But why?
medicine-drugs -
Why do leafy green vegetables interact with blood thinners?Leafy green vegetables can affect the way certain anticoagulant (blood thinning) medications work. But why?
medicine-drugs -
How does grapefruit interact with drugs?Grapefruit and grapefruit juice can affect the amount of medication that reaches the bloodstream. But why?
medicine-drugs -
What's the difference between gram-positive and gram-negative bacteria?There are two main types of bacteria, and these categories reflect the microbes' biology and their vulnerability to different antibiotics.
bacterial-fungal -
What causes you to get a 'stitch in your side'?Many people are familiar with the sharp pain that can strike beneath your rib cage during exercise. But what causes it?
exercise -
Why do dogs sniff each other's butts?And like dogs, why do cats also sniff fellow felines' behinds?
dogs -
Never-before-seen cells unveiled in detailed map of developing human heartThe most comprehensive cell "atlas" of the developing human heart to date was crafted using cutting-edge technology and includes never-before-seen cell types.
heart-circulation -
Is it possible to have too many antioxidants?Antioxidants have long been touted as disease-fighting molecules, and it's easy to assume that the more of them you eat, the healthier you will be. But research shows that larger doses can actually be harmful.
food-drink
