Wednesday August 15, 2018
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Watch out for Harmful Chemicals in Cosmetics

Sumesh Sood, chief operating officer of personal care brand Organic Harvest Company, warns against a list of chemicals commonly found in cosmetics:

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You must be prepared for a touch-up once you land. Pixabay
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Wonder what makes your skin itchy or turn red after you apply your favourite personal care product like cream and sunscreen? An expert says chemicals like paraben and phthalates present in the products are capable of damaging skin.

Sumesh Sood, chief operating officer of personal care brand Organic Harvest Company, warns against a list of chemicals commonly found in cosmetics:

* Phthalates: Phthalates are a group of hormone disrupting chemicals that are found in personal care products like moisturisers and shampoos. They may lead to early puberty in girls and there is also a risk factor for later-life breast cancer.

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Chemicals (Representational image). Pixabay

* Parabens: Parabens are a group of compounds used to prevent fungus, bacteria and other cultures from forming in cosmetics and skincare products. They are absorbed through the skin and may cause breast cancer. They are likely to irritate skin, eyes and lungs.

* Para-aminobenzoic acid (PABA): It is a common ingredient in sunscreens. It has been linked with cancer, skin irritation and rashes. The chemical also damages the liver and deepens the skin pigmentation.

Also Read: Make-up Counter Rules to be Followed

* Mineral oil: Mineral oil coats the skin like a plastic wrap, disrupting the skin’s natural ability to breathe and absorb the ‘natural moisture factor’. This causes burning, stinging, redness and irritation. The lack of moisture also leads to premature ageing of skin age. (Bollywood Country)

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Here’s Why Man-made Pesticides Affect Marine Animals More

The study calls for monitoring our waterways to learn more about the impact of pesticides and agricultural run-off on marine mammals.

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Marine animals are more vulnerable to man-made pesticides. Flickr

Marine mammals such as dolphins, manatees, seals and whales, which evolved to make water their primary habitat, lost the ability to make a gene that defends humans and other land-dwelling mammals from the neurotoxic effects of a popular human-made pesticide, a new study has revealed.

The researchers found that the marine mammals lost the gene Paraoxonase 1 (PON1) that effectively defends humans and other terrestrial mammals from organophosphates — a group of man-made insecticides.

PON1 potentially reduces cellular damage caused by unstable oxygen atoms and also protects us from organophosphates that kills by disrupting neurological systems.

Whales and dolphins lost the gene PON1 soon after they split from their common ancestor with hippopotamuses 53 million years ago; manatees lost it after their split from their common ancestor with elephants 64 million years ago.

Marine life
Whales and dolphins lost the gene PON1. VOA

But some seals likely lost PON1 function more recently, at most 21 million years ago and possibly in very recent times.

“The big question is, why did they lose function at PON1 in the first place? It’s hard to tell whether it was no longer necessary or whether it was preventing them from adapting to a marine environment,” said lead author Wynn K. Meyer, postdoctoral associate at the University of Pittsburgh in the US.

“We know that ancient marine environments didn’t have organophosphate pesticides, so we think the loss might instead be related to PON1’s role in responding to the extreme oxidative stress generated by long periods of diving and rapid resurfacing,” Meyer added.

For the study, appearing in the journal Science, the team analysed DNA sequences from five species of marine mammals and 53 species of terrestrial mammals and reacted their blood samples with an organophosphate by-product.

 Marine Mammals lost the ability that defends humans and other land-dwelling mammals from the neurotoxic effects of a popular human-made pesticide.
Marine Animals lost the ability that defends humans and other land-dwelling mammals from the neurotoxic effects of a popular human-made pesticide.

The blood did not break down the organophosphate by-product the way it did in land mammals, indicating that unless a different biological mechanism is protecting the marine mammals, they would be susceptible to organophosphate poisoning — a form of poisoning that results from the build-up of chemical signals in the body, especially the brain.

Also Read: European Countries Bans Bee-Killing Pesticides

The study calls for monitoring our waterways to learn more about the impact of pesticides and agricultural run-off on marine mammals.(IANS)