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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.
Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.
![The meninges from the outside in: dura mater, arachnoid, and pia mater. Also showing the subarachnoi](https://biology-forums.com/gallery/47/medium_14755_07_10_12_3_19_31_93231166.jpeg)
![Nephrolithiasis. Stones, or calculi, may form in several areas within the urinary tract. When they f](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_19_57_96641254.jpeg)