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Naphthalene is a major component of some mothballs.It repels moths as well as some animals. [citation needed]Since mothballs that contain naphthalene are considered hazards, safer alternatives have been developed, such as the use of 1,4-dichlorobenzene, however, 1,4-dichlorobenzene has been declared as a potential neurotoxin. 1,4-dichlorobenzene has been linked to potentially causing ...
Naphthalene's minimum odor threshold is 0.084 ppm for humans. [42] Mothballs and other products containing naphthalene have been banned within the EU since 2008. [43] [44] In China, the use of naphthalene in mothballs is forbidden. [45] Danger to human health and the common use of natural camphor are cited as reasons for the ban.
Bottom: atomic force microscopy image. A polycyclic aromatic hydrocarbon (PAH) is a class of organic compounds that is composed of multiple aromatic rings. The simplest representative is naphthalene, having two aromatic rings, and the three-ring compounds anthracene and phenanthrene. PAHs are uncharged, non-polar and planar.
IARC classifies naphthalene as possibly carcinogenic to humans and other animals (see also Group 2B). [7] IARC points out that acute exposure causes cataracts in humans, rats, rabbits, and mice. Chronic exposure to naphthalene vapors is reported to also cause cataracts and retinal hemorrhage. [8]
For some of those people, ultra-processed foods may be the difference between going to bed hungry or full, Wilson says. She’d pick full every time. Write to Jamie Ducharme at jamie.ducharme@time ...
From sugary cereals at breakfast to frozen pizzas at dinner, plus in-between snacks of potato chips, sodas and ice cream, ultraprocessed foods make up about 60% of the U.S. diet. Nutrition science ...
Polychlorinated biphenyls (PCBs) are organochlorine compounds with the formula C 12 H 10−x Cl x; they were once widely used in the manufacture of carbonless copy paper, as heat transfer fluids, and as dielectric and coolant fluids for electrical equipment. [ 2 ] They are highly toxic and carcinogenic chemical compounds, formerly used in ...
Image credits: Nick Norwitz A study found that for those with health issues, including diabetes, eating 6-12 eggs per week didn’t have a negative effect on the total blood cholesterol levels or ...