Remember to drink plenty of water, advised the nutritionists, as keeping hydrated is important for brain function. Dehydration can lead to headaches and fatigue.
"We should be aiming for two liters of water per day," Shona said.
Up your steps
Even some gentle exercise everyday will improve your health, the experts said. They suggested taking a walk at lunch time - but if you can't fit this in, podiatrist Dave Wain at Carnation Footcare has some other suggestions.
"Change your route to work. Even by adding an extra five minutes of walking to your journey, you'll up your step count."