After a decadent and indulgent December, the Food Unwrapped team explore fascinating food facts and ground-breaking science to help us jump start our health in January. New recruit John Whaite explores how vegan streaky bacon replicates the texture of meat. Kate finds out whether lettuce can help you sleep. Helen uncovers if what you eat can protect your skin from sun damage. Jimmy is in Alabama to discover why sweet potatoes count as one of your 5-a-day, but regular potatoes don’t. Matt learns just how much fibre we should be eating for a healthy bowel and Kate heads to the Isle of Wight to reveal if black garlic holds the key to staying youthful.