Why it pays to look good.
The secrets to Santa's Sexiness.
Skin tones give clues to health.
'Normal' sized girls are judged to be more attractive by young men.
Perceptions about who and what is attractive change during our teenage years.
'Visual' diet affects attraction to opposite sex.
Macho men produce macho sons, according to research.
New research gives deeper insight into mate attractiveness.
Women see 'masculine' men as unsuitable long-term partners, according to new research from the Universities of St Andrews and Durham.
CAPTION: Would women prefer Barry White (left) or James Blunt?