Scared your catch a deadly disease during the rainy season and fall sick? Keep yourself safe from the mosquitoes and all creatures that carry diseases. Avoid eating or drinking outside during the rains. Bottled water or even better boiled water is the best bet to avoid falling sick during the monsoons. Other than that you could add foods that provide you with increased immunity. Eating healthy and drinking right is the norm during the rainy season and it will help you maintain weight during the rains. Milk, eggs and meat provide much needed proteins and protect the body, by increasing levels of immunity.