Fingernails should be given a curve, while toenails should be cut straight across, to prevent ingrowth. Photograph: iStock

Nails should be kept fairly short. The longer they are, the more easily they are damaged - especially your fingernails, if you work with your hands. I(...)

Damage was progressively reduced as the thickness of applied sunscreen increased. Photograph: iStock

Sunscreen that is spread on the skin too thinly may provide less than half the expected degree of protection, a study has shown. Scientists analysed (...)