If you have osteoporosis or low bone density, caffeine should be limited to less than 300 mg per day (approximately 2-3 cups of coffee). It is also a good idea to get extra calcium to make up for the amount that may be lost in the urine.
Complications of malaria. Malaria is a serious illness that can get worse very quickly and can be fatal if not treated promptly. It can also cause serious complications including: 1  severe anaemia â where red blood cells are unable to carry enough oxygen around the body, leading to drowsiness and weakness.
1 Malaria is a life-threatening disease caused by parasites that are transmitted to people through the bites of infected female Anopheles mosquitoes. 2  In 2015, 95 countries and territories had ongoing malaria transmission,  About 3.2 billion people â almost half of the worldâs population â are at risk of malaria.