Valentine Guinness has suffered with bouts of chronic dizziness and motion-sickness since childhood. But around a decade ago, the 66-year-old writer and musician’s spells ramped up in severity, with ...

Also called autonomic dysfunction or autonomic neuropathy, dysautonomia refers to a group of medical disorders caused by problems with your autonomic nervous system (ANS). Your autonomic nervous ...

Selene Yeager is a health and fitness writer with over 25 years of experience. Her work has appeared in Shape, O, the Oprah Magazine, Men’s Health, Women's Health, Marie Claire, Good Housekeeping, ...

Mestinon (pyridostigmine) is a prescription drug used to treat myasthenia gravis. Mestinon can cause side effects that range from mild to serious, including digestive symptoms, such as diarrhea, ...

Reuters, the news and media division of Thomson Reuters, is the world’s largest multimedia news provider, reaching billions of people worldwide every day. Reuters provides business, financial, ...