Major depression affects up to 15 percent of the population. Many people have a genetic predisposition to the disease, which can be triggered by significant life events or prolonged periods of stress.... This description may be from another edition of this product.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.