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Hygroscopy appears in both plant and animal kingdoms, the latter benefiting via hydration and nutrition. Some amphibian species secrete a hygroscopic mucus that harvests moisture from the air. Orb web building spiders produce hygroscopic secretions that preserve the stickiness and adhesion force of their webs.
Methanol has a moderate to high toxicity in humans. As little as 10 mL of pure methanol when drunk is metabolized into formic acid , which can cause permanent blindness by destruction of the optic nerve . 15 mL is potentially fatal, [ 1 ] although the median lethal dose is typically 100 mL (3.4 fl oz) (i.e. 1–2 mL/kg body weight of pure ...
Mercury poisoning is a type of metal poisoning due to exposure to mercury. [3] Symptoms depend upon the type, dose, method, and duration of exposure. [3] [4] They may include muscle weakness, poor coordination, numbness in the hands and feet, skin rashes, anxiety, memory problems, trouble speaking, trouble hearing, or trouble seeing. [1]
The water is expensive, possibly dangerous, and insulting to people struggling for clean, treated water all over the world. So save yourself the $16 and enjoy the clean water we already have ...
The mainstays of treatment are removal from the source of lead and, for people who have significantly high blood lead levels or who have symptoms of poisoning, chelation therapy. [232] Treatment of iron, calcium , and zinc deficiencies , which are associated with increased lead absorption, is another part of treatment for lead poisoning. [ 233 ]
Other symptoms: Ant bites are typically painful and itchy. In addition to the bites, fire ants use their stinger to inject a venom called solenopsin, which causes a burning sensation, Frye says.
Ethylene glycol has been shown to be toxic to humans [16] and is also toxic to domestic pets such as cats and dogs. A toxic dose requiring medical treatment varies but is considered more than 0.1 mL per kg body weight (mL/kg) of pure substance. That is roughly 16 mL of 50% ethylene glycol for an 80 kg adult and 4 mL for a 20 kg child.
Treatment at the hospital for a spider bite might include antivenom, antibiotics, pain medication and wound care, depending on the type of spider responsible for the bite, MedlinePlus says.