There are plenty of self-help books that promise to teach inner fulfilment and happiness. In reality, all you really need to do is follow a single step - and repeat if necessary. This flowchart contains the instructions.

Gwyneth Paltrow used to be best known as an actress, but in the last decade she's built an even bigger reputation as a health guru. Her newsletter venture, Goop, peddles an enviable lifestyle -- travel, fashion, anything that looks gorgeous in photographs -- but with a central message of living a clean, healthy life.

Annual health exams are pretty normal, but whether they're necessary is up for debate. Years ago, I asked my doctor for a checkup and he chuckled, pointing out that I seemed fine. So, is this annual tradition really a necessity? It boils down to three simple questions.

Infants, children and teens all need more sleep than the average adult. For years, we've heard varying but similar ranges from different sources, but now a recent consensus statement by the American Academy of Sleep Medicine (AASM) has helped put this debate to bed.

Many of us think that vaccines are something you get when you're young and never again, but part of staying healthy as an adult is making sure you're up to date, or get any boosters you and your doctor decide you need. The CDC's vaccine quiz gives you a list to start with.

The act of sleeping is critical for mental and physiological health. Sadly, most of us get well under eight hours per night, which is the amount recommended by most sleep specialists. Here are five most important things you need to know in order to make the resting hours you do get count.