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Just one week of sleep loss can hamper ‘good’ cholesterol

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CHOLESTROLLondon : Lack of sleep will not only alter your mood and make your days drowsy, sleep loss can also influence cholesterol metabolism (good cholesterol), affecting blood vessels in your body.

According to University of Helsinki researchers, genes which participate in the regulation of cholesterol transport are less active in persons suffering from sleep loss than with those getting sufficient sleep.

This was found both in the laboratory-induced sleep loss experiment and on the population level.

The experimental study proved that just one week of insufficient sleep begins to change the body’s immune response and metabolism.

“We examined what changes sleep loss caused to the functions of the body and which of these changes could be partially responsible for the elevated risk for illness,” explained Vilma Aho, researcher from the “Sleep Team Helsinki” research group, in a university statement.

The study examined the impact of cumulative sleep deprivation on cholesterol metabolism in terms of both gene expression and blood lipoprotein levels.

With state-of-the-art methods, a small blood sample can simultaneously yield information about the activation of all genes as well as the amounts of hundreds of different metabolites.

This means it is possible to seek new regulating factors and metabolic pathways which participate in a particular function of the body.

The researchers found that in the population-level data, persons suffering from sleep loss had fewer high-density HDL lipoproteins, commonly known as the good cholesterol, than people who slept sufficiently.

Together with other risk factors, these results help explain higher risk of cardiovascular disease observed in sleep-deprived people and help understand the mechanisms through which lack of sleep increases this risk.

The researchers emphasise that health education should focus on the significance of good, sufficient sleep in preventing common diseases in addition to healthy food and exercise.

The team’s next goal is to determine how minor the sleep deficiency can be while still causing such changes.

Sleep loss has previously been found to impact the activation of the immune system, inflammation, carbohydrate metabolism and the hormones that regulate appetite.

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Corona

Covid toll in Karnataka is a worrying sign for state government

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Even though Karnataka recorded the lowest number of Covid deaths in April since the virus struck first in 2020, the state is recording a rise in the positivity rate (1.50 per cent). Five people died from the Covid infections in April as per the statistics released by the state health department. In March, the positivity rate stood around 0.53 per cent. In the first week of April it came down to 0.38 per cent, second week registered 0.56 per cent, third week it rose to 0.79 per cent and by end of April the Covid positivity rate touched 1.19 per cent.

on an average 500 persons used to succumb everyday in the peak of Covid infection, as per the data. Health experts said that the mutated Coronavirus is losing its fierce characteristics as vaccination, better treatment facilities and awareness among the people have contributed to the lesser number of Covid deaths.

During the 4th and 6th of April two deaths were reported in Bengaluru, one in Gadag district on April 8, two deaths were reported from Belagavi and Vijayapura on April 30. The first Covid case was reported in the state in March 2020 and three Covid deaths were recorded in the month. In the following month 21 people became victims to the deadly virus, and May 2020 recorded 22 deaths. The death toll recorded everyday after May crossed three digits. However, the third wave, which started in January 2

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