It's that time of year when we start seeing storefronts packed with images of cupid, and restaurants increase their prices with “special menu sets” to take advantage of that international celebration of love - St. Valentine's Day. Of course, the most common symbol of love is a big red heart.

Since the dawn of mankind, people have walked. It is one of the easiest, most natural things you can do - yet with cars, buses, trains and escalators easily available, modern technology has made it a less favorable option for getting around. And because of this, people walk much less often today, perhaps less than at any other time in the history of humanity.

Toddlers as young as two, with unhealthy profiles, could have greater risk of cardiovascular disease (CVD) when they're older. So says a large-scale European study which recommends activity guidelines for the under-9s. This latest research adds to the already worrying trend that obesity in children is on the rise and that many youngsters are simply not doing enough.