Scottsdale, Arizona - Seasonal affective disorder (SAD) is a type of depression that's related to changes in seasons - SAD begins and ends at about the same times every year. If you're like most people with SAD, your symptoms start in the fall and continue into the winter months, sapping your energy and making you feel moody. Less often, SAD causes depression in the spring or early summer.

Scottsdale, Arizona - Prescription drug abuse is the use of a prescription medication in a way not intended by the prescribing doctor, such as for the feelings you get from the drug. Prescription drug abuse or problematic use includes everything from taking a friend's prescription painkiller for your backache to snorting or injecting ground-up pills to get high. Drug abuse may become ongoing and compulsive, despite the negative consequences.

Rochester, Minnesota - There are two main reasons why it is important to have hearing loss evaluated as soon as it is recognized: first, to determine the cause and second, to review possible treatment options. Early intervention may be associated with a better outcome, depending on the cause of the hearing loss.

Jacksonville, Florida - A marker of immune function that predicts for better outcomes in patients treated with chemotherapy for triple negative breast cancer is also linked to improved prognosis in patients treated with chemotherapy for HER2-positive breast cancer. But that marker - the quantity of tumor-infiltrating lymphocytes (S-TILs) in a biopsy - appears irrelevant when trastuzumab is used.

Imperial, California - Most people who have the flu (influenza) have a mild illness and don't need to see a doctor. Common flu signs and symptoms include:

San Francisco, California - Self-reported quality of life among patients diagnosed with aggressive lymphoma can predict overall survival and event-free survival, a Mayo Clinic study has found. The results were presented at the 56th American Society of Hematology annual meeting, in San Francisco.