1. Cold feet: taking a brisk walk in winter burns more kilojoules because the body works harder to keep warm.
2. Fruits of the season: oranges give you a vitamin-C boost, and one orange has as much fibre as a bowl of cereal, without any added sugar.
3. Sleep in: not getting enough sleep can weaken your immune system and increase your risk of getting flu or catching a cold, say researchers at Carnegie Mellon University in the US.
4. Health by hot chocolate: warm and protect your heart with cocoa, which helps to protect against heart disease, say Japanese scientists.
5. Protect your skin: the colder temperatures can quickly put out that summer glow, so make sure you take extra care to moisturise – it’s the perfect excuse to indulge in some extra pampering.