INSOMNIA
Also known as sleeplessness, is a sleep disorder where people have trouble sleeping. They may have difficulty falling asleep, or staying asleep as long as desired.
DEPRESSION
A mood disorder that causes a persistent feeling of sadness and loss of interest. Also called major depressive disorder or clinical depression, it affects how you feel, think and behave and can lead to a variety of emotional and physical problems.
CHRONIC FATIGUE SYNDROME (CFS)
Is a medical condition characterized by long-term fatigue and other symptoms that limit a person's ability to carry out ordinary daily activities.
OBSESSIVE COMPULSIVE DISORDER (OCD)
Is a mental disorder where people feel the need to check things repeatedly, perform certain routines repeatedly (called "rituals"), or have certain thoughts repeatedly (called "obsessions").
ATTENTION DEFICIT HYPERACTIVITY DISORDER (ADHD)
A disorder that makes it difficult for a person to pay attention and control impulsive behaviors. He or she may also be restless and almost constantly active. ADHD is not just a childhood disorder. Although the symptoms of ADHD begin in childhood, ADHD can continue through adolescence and adulthood.
SMOKING DEPENDENCY
Nicotine dependence, or tobacco use disorder, is a state of dependence upon nicotine. There are different ways of measuring nicotine dependence. Some nicotine dependence assessments focus on key physical dependence outcomes like the development of tolerance which allows people to smoke heavily.
ALCOHOL DEPENDENCY
Is when the body becomes accustomed to having alcohol present, and when it not present you get a craving for a drink. Some people are more susceptible to this than others and again the reason is probably in your genes - something to do with the levels of certain chemicals in the brain.