generic viagra quick delivery Skip navigation. Search nimh: home health topics health topics home clinical trials statistics publications outreach outreach home public involvement alliance for research progress professional coalition for research progress outreach partnership program legislative activities research and funding research and funding home grants contracts training small business scientific meetings clinical trials intramural research programs news room news room home science news nimh video nimh audio image library educational resources educational resources home brain basics brain’s inner workings neuroscience and psychiatry modules about nimh about nimh home director’s blog strategic plans contact us offices and divisions advisory boards & groups budget home health topics publications depression depression contents what is depression? What are the different forms of depression? What are the signs and symptoms of depression? What illnesses often co-exist with depression? generic viagra online generic viagra online cheap generic viagra viagra without a doctor prescription viagra for sale viagra for sale buy generic viagra viagra online viagra generic online What causes depression? How is depression diagnosed and treated? How can i help a loved one who is depressed? How can i help myself if i am depressed? Where can i go for help? What if i or someone i know is in crisis? For more information citations view the complete publication what are the signs and symptoms of depression? People with depressive illnesses do not all experience the same symptoms. The severity, frequency, and duration of symptoms vary depending on the individual and his or her particular illness. Signs and symptoms include: persistent sad, anxious, or "empty" feelings feelings of hopelessness or pessimism feelings of guilt, worthlessness, or helplessness irritability, restlessness loss of interest in activities or hobbies once pleasurable, including sex fatigue and decreased energy difficulty concentrating, remembering details, and making decisions insomnia, early-morning wakefulness, or excessive sleeping overeating, or appetite loss thoughts of suicide, suicide attempts aches or pains, headaches, cramps, or digestive problems that do not ease even with treatment. I started missing days from work, and a friend noticed that something wasn't right. She talked to me about the time she had been really depressed and had gotten help from her doctor. Previous: what are the different forms of depression? Next: what illnesses often co-exist with depression? Options view the complete publication order a free hardcopy en espaã±ol download: pdf epub mobi related in.