10 Take A Walk On The Wild Side

Outdoor aerobic exercise boosts the immune system by increasing immunoglobulin and exposes the body to light, which helps reset your body clock and aids sleep. If you can head for the woods for a daily walk, even better. Trees produce gas-like compounds including phytoncides (wood essential oils) which are anti-microbial and have been shown to boost levels of cells that seek out and destroy viruses.