Just like grasses on land, seagrasses form vast meadows, produce flowers and seeds, and are home to an incredibly diverse community of organisms. Seagrasses are found around the world, in tropical and colder regions. Shades of green indicate numbers of species reported for an area. (from 2005 UNEP-WCMC).
Mood disorders, or affective disorders, are mental health problems such as depression, bipolar disorder, and mania.Mood disorders can occur in anyone, including children. The cause of mood disorders is not fully understood, but an imbalance in brain chemicals known as neurotransmitters is likely to play a role.ood disorders can also cause an elevated mood (mania) that is accompanied by feelings of grandiosity, extreme energy, and heightened arousal. These feelings are stronger and last longer than normal, and interfere with day-to-day life.
Substance-Induced Mood Disorders. The most common psychiatric co-occurring disorders are substance abuse and mood disorders. It is common for people with mood disorders to turn to substance abuse. The substance abuse, in turn, exacerbates the effects of the mood disorder.ajor depression is the most common mood disorder. This debilitating illness causes mental anguish and physical ailments. It often prevents normal daily function. While some people with depression may experience only one episode of major depression in a lifetime, most endure multiple episodes.