of the first stores to ark nowps it will -- announce it will make available the generic version of liparey tor. and shipments will start immediately. the patent on lipator, the top selling drug ever, expired yesterday. >>> seasonal affected disorder. >> reporter: when daylight savings why kicks in youred my might go downhill. >> it is a very real disorder akin to depression that begins somewhere in the fall, goes through the winter months, and in people -- then people feel better come the summer months. >> reporter: he says it's usually because our sleep cycle has been disturbed from daylight savinging, and the -- savings, and the days are shortert. >> women tend to have more responsibilities, working, caring for the children. so they tend to be more overwhelmed. >> reporter: if you feel like sad is taking a toll on your mental and emotional health, here are some tips. turn on the lights. >> if you're not getting enough sunlight, then it's important to light up your area where you live as much as possible. >> reporter: working out can also give you a much needed boost. >> we know that e