Top 10 Most Reclusive Celebrities. Bill Watterson. As author of Calvin and Hobbes, the beloved comic strip about a mischievous 6-year-old and his stuffed tiger, Bill Watterson's work appeared in more than 2,400 newspapers worldwide.
If you have anxiety attacks, there is a good chance you're hyperventilating often. And if you have anxiety and you've ruled out other health problems, hyperventilation is very likely to be the cause of your symptoms.
The physical symptoms of anxiety during a panic attack can be severe and include a thumping heart (palpitations), trembling, feeling short of breath, chest pains, feeling faint, numbness, or pins and needles. Each panic attack usually lasts 5-10 minutes, but sometimes they come in waves for up to two hours.