Joanna Zakrzewski: Winner of Silver medal in IAU 100km World Championships 2011 Reveals her Secret of Success "Prepare your body and mind"
Potential cause for 40 per cent of pre-term births identified by scientists
Stress during pregnancy can be passed down through generations, rat study shows
Piggy-backing cells hold clue to skin cancer growth
More physical activities help reduce obesity risk
80% of over-50s obese, says study