Double trouble

Fatherly instinct

Get out of doldrums

Low spirits can upset the heart's rhythm and increase the risk of coronary diseases

Infectious and wholesome

Socially cold

Blinded by smoke

Beer cures

Race against the rat

Scientists will try to outrun rodents in predicting carcinogenic effects of chemicals

Tiny trouble-maker

Heart surgery made easy

Nasal route

A new technique has been developed to treat brain tumour

Diabetes-free potatoes

Innocent victims

Breastfeeding by Hiv-infected women transfers the virus to the infants, says a study

Hype about salt

To eat or not to eat is not the question, says a critic of 'low salt' theory

Nose best

The humble nose can revolutionise the way brain diseases are currently treated

Early warnings

A new test will determine if an adolescent faces the risk of substance abuse in the future

Forever young

DNAs: the key to perpetual youth

The switch

Swapping cells can save ailing hearts

Sweeter than the sweetest

No antibiotics please

Highs and lows

Science now has a way to prevent premenstrual syndrome

Mercurial problem

Too much of mercury causes infertility in men. And it can also come in the fish you eat

Not a single dry eye in the house

...after you try out medicine's latest recipe for killing pain -- red hot chilli peppers

Weighty problem

Drink milk, live better