BEETROOT juice could help athletes beat the best. The brightly-coloured juice gives cyclists such a boost that they can shave vital seconds off their time, Exeter University research shows. The benefits of beetroot juice dont end there, with previous studies from the university crediting it with increasing stamina. Lowering blood pressure, warding off dementia, and even giving pensioners the extra energy they need to make a trip to the shops, could all also be in its power. While the list of benefits may seem remarkable, scientists say the can be explained by the abundance of nitrite in the veg. Once inside the body the chemical gets to work widening the blood vessels, speeding oxygen flow to the muscles including the brain and allowing them make the most of the oxygen breathed in. Agencies