A daily dip in the ocean is great for your health, according to a review of studies into the benefits of swimming in the sea.
It may help in a variety of ways, from boosting the immune system, through to easing skin conditions and aches and pains. It could even boost our sex drives. The chilly water activates cold sensors just under our skin, which increase heart rate, give us a boost of adrenaline, and act as a natural painkiller.