The head of the World Health Organization warns that the Zika outbreak would likely worsen before nations besieged by the mosquito-borne virus linked to thousands of birth defects in Brazil see relief.

Brazil is planning to fight the Zika virus by zapping millions of male mosquitoes with gamma rays to sterilize them and stop the spread of the virus linked to thousands of birth defects.

US and Brazilian researchers are heading to João Pessoa in the state of Paraíba on Monday to recruit mothers and babies in one of the biggest government-led studies to understand whether the Zika virus is linked to microcephaly, a rare birth defect.

The Zika virus may be particularly adept at entrenching itself in parts of the body that are shielded from the immune system, making it harder to fight off and possibly lengthening the timeframe in which it can be transmitted, top US experts say.

South American health ministers hold an emergency meeting on slowing the spread of the Zika virus, dubbed a "nightmare" by hard-hit Brazil, where it is blamed for brain damage in babies.

Brazilian President Dilma Rousseff vows to "win the war" against the Zika virus, but some experts criticized her government's response and warned the Olympics could fuel the disease's spread.

Irritable Bowel Syndrome (IBS) is a common disorder that affects the large intestine (colon). IBS commonly causes cramping, abdominal pain, bloating, gas, diarrhoea and constipation. It is a chronic condition that you will need to manage for long term.

Most of the children experience few episodes of diarrhoea in their early age. In winter, viral diarrhoea is quite common. At present if we pay a visit to any children ward, we will find many cases of diarrhoea with different grades of dehydration and electrolyte imbalance.

A new era started with hope and vision for millions of psoriasis patients on October 29, 2004. The International Federation of Psoriasis Associations (IFPA) declared the psoriasis day on that day.

The case of a three-year-old girl in the US who developed type 2 diabetes has driven doctors to raise fresh concerns about diet in childhood.

People around the world are living longer, but many are also living sicker lives for longer, according to a study.

Cuba successfully eliminates mother-to-child transmission of both HIV and syphilis, the World Health Organisation (WHO) says.

Bangladesh is advancing fast in the horizon of head, neck and thyroid diseases. Cancer specialties of these regions are becoming much more important as head, neck and

Congenital anomalies are important causes of childhood death, chronic illness and disability.

Hirsutism or frazonism is the excessive hairiness on women in those parts of the body where terminal hair does not normally occur or

Thalassaemia is the most common congenital disorder in Bangladesh. Treatment facilities are limited due to high cost of drugs and

Dementia is a syndrome, usually of a chronic or progressive nature, caused by a variety of brain illnesses that affect memory,

A radical new approach to vaccination seems to completely protect monkeys from HIV, US scientists report.