Dr. John McKenna

John McKenna is a scientist and a retired medical doctor who has been practicing natural medicine for 25 years. He is the bestselling author of Antibiotics , Good Food , Hard to Stomach , Natural Alternatives to Antibiotics and Alternatives to Tranquillisers . He lives in Wexford.

John McKenna is a scientist and a retired medical doctor who has been practicing natural medicine for 25 years. He is the bestselling author of Antibiotics , Good Food , Hard to Stomach , Natural Alternatives to Antibiotics and Alternatives to Tranquillisers . He lives in Wexford. See less