UNDER THE WEATHER

The health issues worsened by cold weather. This week: Sense of taste SEASONAL affective disorder (SAD) is a type of depression that is usually more severe during the winter months.

People with the problem also tend to crave carbohydrates more in winter. This, according to a 1996 study, is because the taste buds of those with SAD lose the ability to taste sugar as effectively in winter.

One theory is it is to do with carbohydrates which help make serotonin — the neurotransmitter that raises mood. The body might be attempting to raise our carbohydrate intake to create serotonin.

Taste is restored in summer, but it’s possible to trick your brain into thinking things are sweeter than they are.

According to sensory specialist Dr Charles Spence, in his book Gastrophysics, food served on round plates or in round shapes tastes sweeter — as we associate round shapes with pudding.