Can you get Lyme disease while walking the dog? Dr. Javid Abdelmoneim heads to Britain's New Forest to investigate. Are smartphones affecting men's fertility? GP Phil Kieran carries out his own experiment to find out. And how far from a sneeze can you catch a disease? Doctor Helen Lawal looks into new groundbreaking research to get the answer.

Can you get Lyme disease while walking the dog? Dr. Javid Abdelmoneim heads to Britain's New Forest to investigate. Are smartphones affecting men's fertility? GP Phil Kieran carries out his own experiment to find out. And how far from a sneeze can you catch a disease? Doctor Helen Lawal looks into new groundbreaking research to get the answer.