‘Dandruff may indicate that you’re low in the mineral selenium, and also vitamin B6,’ says Suzie. ‘This is often caused by an overgrowth of yeast. So selenium
deficiency can also make you more prone to fungal infections generally, such as fungal skin conditions, thick, discoloured nails and thrush. Selenium is also essential for a healthy thyroid, and recent studies suggest that low levels may increase the risk of coronary heart disease.
Eat selenium-rich foods – Brazil nuts (three a day), kidney, liver, fish, eggs, cheese, mushrooms, sunflower seeds, oats, nuts, chicken, turkey, beef, salmon, brown rice and wholegrain rye.