You are taught early in science that oxygen on Earth comes from sunlight. Plants, algae, and cyanobacteria use light to split ...

A UCLA-led research team has discovered a molecular switch that determines whether tiny blood vessels in premature infants' ...

Hot baths are often considered relaxing, but some believe they might harm heart health. The concern stems from the idea that hot water can strain the heart by increasing blood pressure and heart rate.

VO2max is a measure of cardiovascular fitness, and many watches and fitness trackers can estimate it for you. Here's what you ...

While occasional mouth breathing may not cause harm, habitual practice can lead to some health issues. These include dry ...

Many of us with throw modesty out the window when it comes to Christmas lunch. But what do these blow-out festive meals do to ...

Influencer Estee Williams and her husband welcomed their first child, Estelle, in September. The infant was diagnosed with ...

Two-division champion Will Fleury proved he’s on a different level. Fleury made shockingly quick work of former Ultimate ...

Doctors in Brazil discover and confirm that a woman has blood with male chromosomes, a rare case of human chimerism.

Blueberries are among the most celebrated fruits—and for good reason! FITBOOK presents five healthy reasons to eat blueberries, also known as bilberries, every day. The post 8 Reasons to Eat ...

Try this 10-minute walking test to see how many steps you can take and what your result says about cardio fitness.

Self-medicating with vitamin B12 without a doctor’s guidance is not a good idea. Even though B12 is water-soluble (meaning excess amounts are usually flushed out in urine), taking more than your body ...