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.
Why is Malaria Dangerous? How does Malaria become so dangerous? Malaria in humans can be caused by a number of different parasites â the most dangerous, and the one which is responsible for over 90% of the worldwide deaths from malaria, is Plasmodium falciparum. The reason that P. falciparum is so dangerous is because it affects the behaviour of red blood cells.