7. Malaria is a disease caused by parasites, which are spread by female mosquitos called Anopheles. Mosquitos breed in water, and when they bite a person infected with malaria, they can spread the infection to other people. Symptoms of malaria include fever, headache and shivering.iseases Caused By Water Pollution. Water is essential to human life. Your body needs water for hydration and to facilitate various functions of the body such as digestion, metabolism, and elimination of waste. However, one of the biggest problems of mankind today is the poor quality of water in many parts of the world.
Advertisement. It only takes 45 minutes for 99% of the caffeine to be absorbed through these membranes. In humans the half-life for caffeine is anywhere from 4 to 6 hours on average, which explains why the average energy drink or coffeeâs effect lasts about 4 to 6 hours.dvertisement. It only takes 45 minutes for 99% of the caffeine to be absorbed through these membranes. In humans the half-life for caffeine is anywhere from 4 to 6 hours on average, which explains why the average energy drink or coffeeâs effect lasts about 4 to 6 hours.
The half-life of caffeine in your body is about 6 hours. That means that if you consume a big cup of coffee with 200 mg of caffeine in it at 3:00 PM, by 9:00 PM about 100 mg of that caffeine is still in your system. You may be able to fall asleep, but your body probably will miss out on the benefits of deep sleep. That deficit adds up fast.