Sharp rise in food allergies over the years, reports BBC

The recent years have witnessed a steady increase in food allergies, reports BBC. From sesame to peanut allergies, the symptoms are sometimes life-threatening. An increase in allergies has been attributed to a western lifestyle. Improved hygiene is to be blamed, as the immune system starts fighting things that are potentially harmless. Lack of Vitamin D is another cause for allergies. Vitamin D helps the immune system develop a healthy response.