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The United States in the 1960s saw the start of significant use of clandestinely manufactured methamphetamine, most of which was produced by motorcycle gangs. [24] A notable part of the 1960s mod subculture in the UK was recreational amphetamine use, which was used to fuel all-night dances at clubs like Manchester's Twisted Wheel.
Phosphorus that runs into freshwater lakes and rivers can cause algal blooms. [16] [19] Phosphate-free detergent reduces the amount of phosphate that wastewater treatment plants must clean up. [16] From the 1960s-2010s the standard way to determine the amount of phosphate in water has been using colorimetry. [20]
Phossy jaw, formally known as phosphorus necrosis of the jaw, was an occupational disease affecting those who worked with white phosphorus (also known as yellow phosphorus) without proper safeguards. It is also likely to occur as the result of use of chemical weapons that contain white phosphorus.
People exposed to white phosphorus can suffer severe and sometimes deadly bone-deep burns. It can cause organs to shut down, and burns on just 10% of the body can be fatal, HRW said. Those who don ...
Skin whitening, also known as skin lightening and skin bleaching, is the practice of using chemical substances in an attempt to lighten the skin or provide an even skin color by reducing the melanin concentration in the skin. Several chemicals have been shown to be effective in skin whitening, while some have proven to be toxic or have ...
The post This Is What People Used Before Toilet Paper Existed appeared first on Reader's Digest. Now it's left us wondering—what did people do without it in the first place?
To help you find the best products for your lifestyle and budget, I spoke with six doctors and dermatologists about the science behind aging, what ingredients and textures to look for in skin care ...
Biologically based dressings: Integra LifeSciences’ artificial skin is placed on a wound where burned or scarred skin has been removed. Comprised of two-layers, an under layer made of collagen from cows and glycosaminoglycan from shark cartilage, and a outer silicone layer, the membrane provides scaffolding to regrow a new layer of dermis.