Similarly, red, white, blonde or grey hair may be the worst for laser treatment to apply on. The laser treatment technique clearly targets pigmented tissue. It has unwanted effects Laser hair removal has also got some side effects. The first and immediately visible side effect is the region treated by this turns into a little sore and swollen for a couple minutes to a couple of hours. Sometimes, the treated skin can be either darkened or lightened.In today’s study, mice that experienced only one copy of the CREB gene – – healthful mice have two copies – – created lower-than-normal levels of the CREB protein, neuropeptide Y and another compound in the brain associated with alcoholic beverages drinking . The mice consumed about 50 % more alcohol than regular littermates and showed higher baseline anxiety-like behaviors, as measured by a maze test. Alcohol exposure reduced their anxiety, though less therefore than in normal mice, and increased degrees of active CREB protein and neuropeptide Y in elements of the amygdala, the region of the brain associated with emotion, fear and anxiety.