A new brain-imaging study has revealed how ketamine produces its fast antidepressant effects in people with treatment-resistant depression. Researchers tracked changes in a critical brain receptor ...

Every time we feel a gentle tap on the skin, specialized nerve cells convert that physical force into an electrical signal ...

In 1921, Otto Loewi woke from a dream with the idea for an experiment that proved nerves communicate using chemicals, not just electricity. By showing that stimulating one frog’s heart released a ...

Because adequate sunlight and vitamin D appear to reduce the prevalence of seasonal affective disorder, various specialty lamps have been created to provide this light. Sun lamps, also known as "happy ...

Unlearning fear responses is a fundamental learning process in the brain. It allows us to flexibly react to formerly ...

Have you ever wondered why you suddenly feel happier after exercising or getting a relaxing massage? Serotonin may be the ...

How fast vitamins work depends on factors such as the type of vitamin, your health, and how consistently you take them. If you’re deficient, you may notice improvement within days or weeks, but some ...

Why did East Asia’s economy grow so rapidly in recent decades and Africa’s so slowly? How might Africa replicate East Asia’s success? A vast literature addresses these questions, but new books keep ...

Most Texas elections are decided in the primary, where all voters can participate but only a tiny number of them do. Primary elections are when Democrats and Republicans choose their nominees for ...

The NBA has revamped the format for the annual All-Star Game again. The league has tried to drum up some more interest from fans and players alike to create a more intriguing event. Last year, that ...

The new senior tax deduction is worth up to $6,000 for single adults and $12,000 for married couples. This reduces your taxable income for the year, potentially resulting in greater tax savings. It's ...

Hybrid vehicles aren’t new. In fact, they date all the way back to the inception of the automobile itself. Ferdinand Porsche, founder of the fabled sports car brand, built the first hybrid car in 1899 ...