Water purification

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  Aspirin

  Aspirin (USAN), also known as acetylsalicylic acid (pronounced /əˌsɛtɪlsælɪˌsɪlɪk ˈæsɪd/, abbreviated ASA), is a salicylate drug, often used as an analgesic to relieve minor aches and pains, as an antipyretic to reduce fever, and as an anti-inflammatory medication. Aspirin also has an antiplatelet...
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  Bacillus Calmette-Guérin

  Bacillus Calmette-Guérin (or Bacille Calmette-Guérin, BCG) is a vaccine against tuberculosis that is prepared from a strain of the attenuated (weakened) live bovine tuberculosis bacillus, Mycobacterium bovis, that has lost its virulence in humans by being specially cultured in an artificial medium...
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  Condom

  A condom (pronounced /ˈkɒndəm/ (US) or /ˈkɒndɒm/ (UK)) is a barrier device most commonly used during sexual intercourse to reduce the likelihood of pregnancy and spreading sexually transmitted diseases (STDs—such as gonorrhea, syphilis, and HIV). It is put on a man's erect penis and physically...
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  Non-steroidal anti-inflammatory drug

  Non-steroidal anti-inflammatory drugs, usually abbreviated to NSAIDs or NAIDs, are drugs with analgesic, antipyretic (lowering an elevated body temperature and relieving pain without impairing consciousness) and, in higher doses, with anti-inflammatory effects (reducing inflammation). The term "non...
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  Safe sex

  Safe sex is defined as "Sexual activity engaged in by people who have taken precautions to protect themselves against sexually transmitted diseases such as AIDS." This is also referred to as safer sex, or protected sex, while unsafe sex or unprotected sex is sexual activity engaged in by people...
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  Vaccine

  A vaccine is a biological preparation that improves immunity to a particular disease. A vaccine typically contains a small amount of an agent that resembles a microorganism. The agent stimulates the body's immune system to recognize the agent as foreign, destroy it, and "remember" it, so that the...
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  Vitamin B-12

  Vitamin B12 is a water soluble vitamin with a key role in the normal functioning of the brain and nervous system, and for the formation of blood. It is one of the eight B vitamins. It is normally involved in the metabolism of every cell of the body, especially affecting DNA synthesis and regulation...
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  Smallpox vaccine

  The smallpox vaccine was the first successful vaccine to be developed. The process of vaccination was discovered by Edward Jenner in 1796, who acted upon his observation that milkmaids who caught the cowpox virus did not catch smallpox. Prior to wide-spread vaccination, mortality rates in...
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  MMR vaccine

  The MMR vaccine is a mixture of three live attenuated viruses, administered via injection for immunization against measles, mumps and rubella (also called German measles). It is generally administered to children around the age of one year, with a second dose before starting school (i.e. age 4/5)....
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  Physical exercise

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