Walking – the simple activity that you’ve been doing since you were about a year old – has been touted as “the closest thing we have to a wonder drug”, in the words of Dr Thomas Frieden, former director of the Centers for Disease Control and Prevention in the US.

Walking has a host of benefits. Here’s a list of 5 that may surprise you:

1.  It counteracts the effects of weight-promoting genes.
2.  It helps tame a sweet tooth.
3. It reduces the risk of developing breast cancer.
4. It eases joint pain.
5. It boosts immune function.

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