You sit down to meditate, close your eyes, and settle into your breath. Then your leg jerks. Or your thumb twitches. Or your eyelid flutters. It is distracting, and you may wonder if you are doing something wrong. You are not. Twitching during meditation is common, and it has clear physical explanations. The most common … Read more

Hoka shoes have become one of the most recognizable footwear brands in the world, especially among runners and people who stand on their feet all day. The short answer is yes, they are good for many people, but they are not the right shoe for everyone. Hoka is best known for its maximalist cushioning — … Read more

Marfan syndrome is a genetic condition that affects the body’s connective tissue, and it can produce a distinct set of physical features. The facial features most commonly associated with Marfan syndrome include a long, narrow face, deep-set eyes, a high arched palate, and a receding lower jaw. These features are part of a broader pattern … Read more

Dry heaving is your body trying to vomit when there is nothing left in your stomach to bring up. It is a strong, involuntary spasm of your diaphragm and abdominal muscles. This reflex is often triggered by the same things that cause nausea and vomiting, but it can also happen on its own. Understanding what … Read more

Varicella, commonly called chickenpox, spreads from person to person very easily. The varicella-zoster virus travels through the air when an infected person coughs or sneezes. You can also catch it by touching the fluid from chickenpox blisters. A person with chickenpox can spread the virus from 1 to 2 days before the rash appears until … Read more

Most people can safely eat about one avocado a day. That amount fits well within a balanced diet for most healthy adults. One medium avocado provides a generous serving of healthy fats, fiber, and key nutrients without pushing most people past their daily calorie needs. The real answer depends on your total diet and health … Read more

Rubbing your hands together is a common habit, and it usually comes down to one of two things: your brain trying to manage your body temperature or your brain trying to manage your emotions. When you are cold, the friction from rubbing generates heat. When you are nervous, excited, or deep in thought, the repetitive … Read more

An estrogen blocker, also called an aromatase inhibitor, stops the body from turning androgens (like testosterone) into estrogen. When a man takes one, his estrogen levels drop, and his testosterone levels often rise in response. The effects depend on the dose, how long it is taken, and the man’s starting hormone levels. For most men, … Read more

Clear phone cases look great when they are new. The crystal-clear finish shows off your phone’s design. But over time, that clear case turns a dull, ugly yellow. This happens to nearly every clear case eventually. The good news is you can slow the process down significantly. The yellowing comes from UV light and oils … Read more