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By altering their way of life, fire also created the conditions for new diseases to appear
Health experts have called for the Rio Olympic Games to be delayed over fears it will spread the Zika outbreak.
The protein rich liquid is said to have four times more nutrients than cows' milk.
Deep space radiation exposure believed to be responsible for increased risk of cardiovascular disease.
Rats exposed to marijuana smoke had dysfunctional blood vessel function.
The earliest case of cancer was discovered in the foot bone of a mystery hominin species.
Hepatitis is a term used to describe the inflammation of the liver from viral infection or toxic substances.
Liver failure was prevented for up to a year in animals transplanted with gene-corrected liver cells.
Transgender people suffer more from stigma than gender incongruence.
Figures also showed 25% trusts paid £100,000 or more to consultants in 2015, while one Lancashire doctor earned £375,000.
No signs of metabolic disease were recorded while osteoarthritis problems were marginal.
Women who enter menopause early see their cells age quicker than other women.
The boy, suffering from incurable spinal muscular atrophy, was on ventilator since he was 18-minutes old.
The child was born in Barcelona's Vall d'Hebron hospital and showed 'normal and stable' vital signs.
A second baby has been left with brain damage and is fighting for its life after the 'devastating error.'