Saturday, 23 February 2019

[www.keralites.net] Some Facts on Blood Donation

 

Some Facts on Blood Donation 
An adult has about 5 liters of blood in the body.
Typically, about 300 ml (anywhere between 200 and 450 ml) of blood is taken by a blood bank (depending on requirement) from a person.
The blood donated is recouped by the body within 2 to 7 days.
One unit of blood (about 450 ml) helps save 3 lives.
This is because, the blood taken from a donor is separated into its components (Red cells, White cells, Plasma and Platelets), each of which can be transfused into the blood of a recipient, separately.
It takes approximately 10 minutes to remove one unit of blood from the donor . Including the time taken for filling up a form prior to donation, a physical examination (BP and weight) of the donor and the time to relax after donating blood, the whole process can be completed in about 45 minutes to an hour.
The blood removed from the donor is tested for HIV, Hepatitis B and C, Syphilis, Malaria parasite and blood group. In other words, persons affected with diabetes and taking medicines to keep diabetes under control can also donate blood.
Whenever you donate blood, you will be removing excess cholesterol accumulated in the blood, thus reducing the chance of heart attack.
Take some biscuits / cake and coffee / tea / fruit juice, after donating blood and sit (lie down if you feel giddy) for about 5 to 10 minutes.
The donor can resume regular activities after about 30 minutes of donating blood. Avoid the following: 
Climbing stairs within 30 minutes
Smoking
Every year, our nation requires about 4 crore units of blood while availability is 40 Lac units (estimates differ - another info states that requirement is 90 Lac units and availability is 40 Lac units; all the same, there is a definite shortage of blood in the country for saving lives) Donating blood is a safe process - a fresh needle is used for each person and there is no fear of contracting any disease. The no 1 reason given by donors to donate blood is "I want to help others". The two major reasons for a person not donating blood is "Never thought about it" and "I don't like needles" Persons from the age of 18 to the age of 60 can donate blood, except when they are affected with HIV +ve, cancer, Hepatitis B or C (within the previous 3 years), seizures, syphilis, and women during their menstruating cycle.
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[www.keralites.net] Good Bye Crow's Feet

 

Goodbye crow's feet! An at-home treatment that promises to zap laughter lines
Crow's feet — even the name of those tell-tale wrinkles at the side of our eyes is ugly, although the more optimistic of us like to refer to them as 'laughter lines'.
They appear when the skin loses collagen and hyaluronic acid, but one thing's for sure — those of us who have them don't find them funny. 
'We lose 80 per cent of our natural hyaluronic acid between the ages of 40 and 80,' says cosmetic doctor Natalie Blakely.
Crow's feet appear when the skin loses collagen and hyaluronic acid
'We also lose collagen and elastin from the skin which is what makes us look older. The first place we lose fat from in the face is the undereye area and that, combined with the lines caused by smiling, laughing and squinting into the sun, is what causes those wrinkles to deepen as we age.'
So what's the solution? Botox can paralyse the muscles that crinkle when we grin but then having the injections can create a glassy 'frozen' look. Alternatively, fillers made of hyaluronic acid can be injected to plump up the skin in this sensitive area although, like Botox, they cost around £300 a go. 
Now a new crow's feet treatment is causing a buzz. Launched this month in Harrods, WrinkleMD is a painless, needle-free £130 home device dubbed 'the crow's feet eraser'. It uses new technology to push molecules of hyaluronic acid deep into the skin, where previously only needles could reach.
Harrods, WrinkleMD is a painless, needle-free £130 anti-ageing home device
In a U.S. study led by dermatologist Dr Robert Harper, women aged between 35 and 65 used WrinkleMD for a month. Weekly silicone 'impressions' were taken of their crow's feet and, after four weeks, their lines had reduced by an average of 41.7 per cent — though it was 80 per cent in one case. This was compared to a control group testing a luxury eye serum whose wrinkles improved only 2.7 per cent.
The secret of WrinkleMD is a process called iontophoresis. It occurs when a mild electronic current is run through a disposable pad infused with hyaluronic acid and a muscle-relaxing peptide, pushing these particles deep into the skin. 
Two 40-minute treatments a week are recommended for the first fortnight, then the eye pads should be worn once a week for another 40 minutes for the next fortnight. After this, the manufacturers recommend a weekly top-up treatment to maintain results.
The pack contains six pads and you can buy refills of eight for £99. So is it too good to be true? Dr Blakely, medical director of The Light Touch clinic in Surrey, says: 'Hyaluronic acid is great for skin rejuvenation and getting it into the skin without needles reduces the risk of infection.
'However, only 22 women completed the study — and the effects were variable. The treatment seems expensive and time-consuming, and there is little indication of how long the results will last.'
With Dr Blakely's warnings ringing in my ears, I try WrinkleMD myself. I'm 48 and my fine lines were deepening and creeping further around my face. I felt a fool wearing the eye pads at home, especially in front of my husband, and I was sceptical that any kind of magic was happening at all.
But I was very impressed by the results. I looked in my magnifying mirror after just one treatment and saw the lines on my left eye had vanished and the ones on my right had significantly faded. Even my husband agreed the pads had done something. 
I've not had such instant results from anything else. Botox would probably last longer but this way my eyes look more natural. They still crinkle a bit when I smile, but the lines are virtually gone when I relax. So finally I have crow's feet I can live with — and laugh at.
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