RAY BANS

A deficiency in vitamin D is a “predisposing factor” in at least 17 cancers, reports the Cardiovascular Journal of Africa – so it’s well worth taking sunshine seriously. The key is a “little and often” approach: you don’t need us to rake over the well-known risks, but be aware that cases of melanoma are projected to rise by 7% in 15 years. Your best protection is a broad-spectrum sunscreen such as Clarins Sun Care Lotion Spray (£20 johnlewis.com). Use it wisely.