Showing posts with label survival. Show all posts
Showing posts with label survival. Show all posts

Orange-Bellied Parrot About to Become Extinct

It's a tough time for the orange-bellie. This species of parrot is about to become extinct. It is estimated to have five years left to live. A few years ago there were 70 pairs. Now only 50 birds remain. The last species of bird to go extinct in Australia ceased its existence 70 years ago.

For the most part, people don't seem to care. However, there are more close to extinction. A fight ensues to keep the orange-bellie alive. In 1984 the Orange-Bellied Parrot (OBP) Recovery Team was created to monitor and protect the bird. A protected breeding program was established in south-west Tasmania. Fifteen years of drought has seen the birds' supply of seeds dwindle to almost nothing. Water has been allocated for irrigation and piped away from the region.

A last throw of the dice involves catching 10 pairs then breeding them in a caged area. This kind of action is unusual. It would be expected that eggs be taken from nests of wild birds, with hatching done in an incubator then hand feeding. This way more eggs would be laid when the initial eggs are taken away.

Once wild birds are taken from the wild they will always be domesticated. Learning from older birds ends.  There is no way that knowledge of feeding grounds can be passed on.
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Conservation by Ty Buchanan
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Study Shows Optimistic Cancer Sufferers Live Longer - Or Does It?

Treating the effect as the cause is wasting valuable time in finding a cure for cancer. A Study found that depressed people lived shorter lives when they had cancer. Depression per se and lack of hope, optimism and anxiety were tested. Those suffering from these "attributes" didn't live as long as "optimists" who were also cancer sufferers.

A great leap of faith was made to claim that mood sufferers did not seek second opinions on cancer. Note that this was not proven it was just surmised. Overall findings were that optimism did not lead to better survival in people with cancer. Well this is game. set and match. You can't have it both ways. Either being optimistic improves survival or it doesn't.

There is no doubt that psychological treatment improves the well being of cancer patients, but let's not get ahead of ourselves and say optimistic cancer sufferers live longer. A great deal of money is set aside for medical research. We have to be careful to ensure this money is well spent.
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Health
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Being Fat Is Normal

People get fat because it is normal. Our ancestors had to go out and find food so they burnt up a lot of energy. It is modern society that is making us fat. Food is readily available, at arm's reach. Our bodies are preparing for the hard times that would inevitably happen in centuries past.

Being able to put fat on the body was a key to survival. That is why many dieters today are on a see-saw round of weight loss and weight gain. It is due to our hormones. When the body loses reserves hormones tell us to eat more. If you want to be slim you will have to put up with constant hunger. Work at the University of Melbourne has shown that hormone levels are indeed higher after people go on a ten week diet. It remains high up to a year later even though the dieting stopped nine months earlier.

There is hope. New products are coming onto the market that swell up in the stomach thus stopping the craving for food. Whether these are safe is another issue. They do offer money back if there is no weight loss in the first two weeks. Apparently they do work. Time will tell.
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Health