Is vacuum sealing worth it?

Is vacuum sealing worth it? Whether you buy in bulk, freeze small portions for meal prep or hunt, vacuum sealing is worth it. It helps most food from going stale as quickly as it would in a non-airtight container, and also helps prevent freezer burn, which affects taste and texture.

goodhousekeeping.com - 7 Best Vacuum Sealers of 2022 - Good Housekeeping

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We updated this article in December 2022 to ensure all products vetted and tested by the Good Housekeeping Institute Kitchen Appliances Lab were available, in stock and correctly priced. A vacuum sealer is a useful tool for food preservation — the device sucks the air out of a plastic bag to create optimal storage conditions for raw protein, uncooked grains and even whole coffee beans. With food prices on the rise, ensuring that your food stays fresh and in good condition before you get the opportunity to consume it is worth the purchase of a food vacuum sealer alone. It’s an investment that's well worth the money for anyone who hunts, tends to buy in bulk and freeze, likes to defrost pre-portioned amounts for meal prep or cooks sous vide. Vacuum sealers work by removing air from a plastic bag filled with food before sealing it with heat, keeping your food fresher for longer by creating an environment that makes it very hard for bacteria to thrive. The tight seal also helps prevent moisture loss and freezer burn. Both handheld and countertop vacuum sealers can help all kinds of food last longer (except for foods like soft cheeses, raw mushrooms and fresh garlic that contain anaerobic bacteria, which loves oxygen-free zones). For decades, the Good Housekeeping Institute Kitchen Appliances and Innovation Lab has researched and evaluated all kinds of kitchen products, including ones that can help you keep your food fresh for longer, from the best food storage containers to the top reusable produce bags. Our picks for the best vacuum sealers to buy in 2022 are a mix of top-performing models tested in our Labs, favorites that staffers use in their own homes and well-reviewed products with unique features that impressed our analysts, based on their extensive testing experience with popular kitchen appliance brands.

Our top picks:

Scroll to the bottom of this article for more information on how we test vacuum sealers, how to choose the best vacuum sealer and more helpful FAQs.

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What is a dangerously low oxygen level?

People should contact a health care provider if their oxygen saturation readings drop below 92%, as it may be a sign of hypoxia, a condition in which not enough oxygen reaches the body's tissues. If blood oxygen saturation levels fall to 88% or lower, seek immediate medical attention, says Dr. Lutchmansingh.

yalemedicine.org - Pulse Oximetry > Fact Sheets > Yale Medicine

Pulse oximetry is a term that frequently appears online and in news reports in connection with COVID-19. But what, exactly, is it?

Basically, pulse oximetry is a painless, noninvasive method of measuring the saturation of oxygen in a person’s blood. Oxygen saturation is a crucial measure of how well the lungs are working. When we breathe in air, our lungs transmit oxygen into tiny blood vessels called capillaries. In turn, these capillaries send oxygen-rich blood to the heart, which then pumps it through arteries to the rest of the body. Our organs need a constant supply of oxygen to work properly. When the capacity of the lungs to transport oxygen into the blood is impaired, blood oxygen saturation declines, potentially putting our organs in danger. A pulse oximeter can quickly detect this drop in oxygen saturation, alerting people of the need for medical intervention. If you have ever had a physical or visited a doctor for a medical procedure, you’ve had your blood oxygen saturation measured by a pulse oximeter. More recently, the spread of COVID-19, which can cause significant drops in blood oxygen saturation, has spurred a surge in the popularity of at-home pulse oximeters. (Some people who are worried they may have—or fear contracting—COVID-19, have purchased pulse oximeters with the aim of monitoring their blood oxygen levels.) “It’s important to remember that not all changes in pulse oximetry are related to COVID-19,” says Denyse Lutchmansingh, MD, a Yale Medicine pulmonologist. “Other lung-related issues, such as pneumonia and blood clots, can also result in low readings on pulse oximetry. Thus, persistently low readings should be discussed with a doctor.”

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