Valerian: A safe and effective herbal sleep aid? - Mayo Clinic Results from multiple studies indicate that valerian — a tall, flowering grassland plant — may reduce the amount of time it takes to fall asleep and help you sleep better Of the many valerian species, only the carefully processed roots of the Valeriana officinalis have been widely studied
Bipolar disorder - Symptoms and causes - Mayo Clinic Overview Bipolar disorder, formerly called manic depression, is a mental health condition that causes extreme mood swings These include emotional highs, also known as mania or hypomania, and lows, also known as depression Hypomania is less extreme than mania When you become depressed, you may feel sad or hopeless and lose interest or pleasure in most activities When your mood shifts to
Lice - Symptoms and causes - Mayo Clinic Lice are tiny, wingless insects that feed on human blood Lice spread from person to person through close contact and by sharing belongings There are three types of lice: Head lice found on the scalp They're easiest to see at the nape of the neck and over the ears Body lice that live in clothing and bedding and move onto the skin to feed Body lice most often affect people who aren't able