
According to the World Health Organization (WHO), what we eat and drink affects our body's ability to fight infections, as well as how likely we develop health problems like obesity, heart disease, diabetes and different types of cancer. The exact ingredients of a healthy diet will undoubtedly depend on different factors like how old and active we are, along with the kinds of foods that are available in the community where we live in. But across cultures, there are some common food tips for helping us lead healthier, longer lives.