Get the latest facts and analyses on the most important issues related to smoking, vaping, nicotine and substance use.Read about symptoms of an underactive thyroid (hypothyroidism) and how this thyroid disorder is diagnosed and managed  There is a problem with information submitted for this request. Review/update the information highlighted below

Live in a country or area that doesn’t have iodized table salt, which can lead to iodine deficiency.Behavior changes learned through cognitive behavioral therapy are generally the best treatment for ongoing insomnia. Sleeping on a regular schedule, exercising regularly, avoiding caffeine later in the day, avoiding daytime naps and keeping stress

Acute pain starts suddenly and lasts a short time. The pain usually goes away as your body heals, but may become chronic if it is not treated.Do you want to quit? Our proven tools, tips and support can help you end your addiction to tobacco and begin a new, tobacco-free phase of your life.We then tested 23 products, considering factors like effecti

Acute pain starts suddenly and lasts a short time. The pain usually goes away as your body heals, but may become chronic if it is not treated.This means that we are capable of accelerating and decelerating as needed. If our energy systems didn’t overlap, we couldn’t perform sudden bouts of hard work. For example, when hiking over a mountain pas

Acute pain starts suddenly and lasts a short time. The pain usually goes away as your body heals, but may become chronic if it is not treated.Behavior changes learned through cognitive behavioral therapy are generally the best treatment for ongoing insomnia. Sleeping on a regular schedule, exercising regularly, avoiding caffeine later in the day, a