Give those swimmers a sporting chance! Balls function at their fertile best at a cool 34°C.
Back when we were cavemen this was fine: running wild and hanging free in not much more than a loin cloth.
These days, sperm are sweating it out in skinny jeans, hot baths and tighty whites.
Try and avoid
- Riding bicycles and motorbikes
- Using laptops on laps
- Putting mobiles in pockets.