Chikungunya

This mosquito-borne viral disease causes severe joint pain and fever, and sometime it can be fatal.

Join this online group on chikungunya to exchange notes with healthcare professionals and o...

Chronic Fatigue Syndrome

Chronic fatigue disorder, or the ‘yuppie flu’ is a disorder characterized by extreme fatigue, not resolved by bed rest. The condition can be aggravated by mental or physical activity. Persons sufferin...

Circadian Rhythm and Sleep Disorders

Circadian rhythm is a person’s natural sleep-wake cycle over 24 hours. A circadian rhythm sleep disorder happens when a person’s natural rhythm is out of sync with his social or work demands, and he i...

Dengue / Dengue Hemorrhagic Fever / Dengue Shock Syndrome

Dengue and dengue hemorrhagic fever are illness caused by a viral infection that spreads through the bite of the Aedes mosquito. The main symptoms are fever, headache, pain behind the eyes, muscle and...

Depression

Depression in psychology and psychiatry refers to long term and persistent feeling of sadness, guilt, hopelessness and thoughts of death. A depressed person cannot just 'snap out of it' - he needs sup...