Castor oil gets tons of attention on social media. Countless videos tout its purported health benefits, from relieving constipation to promoting hair growth and breaking down belly fat. An ancient ...

Why psychiatry’s diagnostic system may undergo major changes, and what the scientific debates over how mental illnesses should be defined are ...

February 26, 2026 • These health care hurdles can stand in the way of getting treatment your doctor says you need. Here's what to know about how to deal with them.

This crossword is inspired by the most recent issue of Scientific American. Read it here. Print readers, check your answers by selecting “Assist” above and then “Reveal Grid” or by selecting “Print” ...