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7 Reasons You Should Eat More Asparagus
Asparagus can be enjoyed raw or cooked, and it's often a star ingredient in soups, stews, salads, and other dishes. Asparagus benefits include its low caloric value and its high vitamin, mineral, and antioxidant content.
Asparagus, officially known as Asparagus officinalis, is a member of the lily family.
This popular vegetable comes in green, white, and purple colors. It's used in dishes worldwide, including frittatas, pasta, and stir-fries.
This article uncovers 7 health benefits of asparagus, all supported by science.
1. Many nutrients but few caloriesAsparagus is low in calories but boasts an impressive nutrient profile.
Antioxidants are compounds that help protect your cells from the harmful effects of free radicals and oxidative stress.
Like other green vegetables, asparagus is high in antioxidants. These include vitamin E, vitamin C, and glutathione, as well as various flavonoids and polyphenols.
It's especially high in the flavonoids quercetin, isorhamnetin, and kaempferol. Several human, test-tube, and animal studies have found these substances to have a variety of health benefits.
What's more, purple asparagus, in particular, contains powerful pigments called anthocyanins, which give the vegetable its vibrant color and have antioxidant effects on the body.
In fact, anthocyanin intake has been shown to positively impact heart health, including helping lower the risk of heart disease.
3. May improve digestive healthDietary fiber is essential for good digestive health. Just half a cup of asparagus contains 1.8 g of fiber, which is 7% of your daily needs.
In addition, research on the different parts of the asparagus plant found that they're all rich in essential minerals, antioxidants, and natural probiotics like inulin, which may help promote the growth of healthy gut bacteria.
Based on animal research, asparagus may also have a laxative effect, which may help with chronic constipation. That said, more human research is necessary.
High blood sugar levels, also known as hyperglycemia, can cause serious health problems such as diabetes.
Several animal studies have found that an asparagus extract helps lower blood sugar in diabetic rats. These studies have also shown similar effectiveness to the medication glibenclamide.
Other studies have found that asparagus extracts can lower blood sugar and improve insulin levels in diabetic rats by reducing glucose, cholesterol, and oxidative damage while increasing antioxidant activity.
However, more research is needed to determine which substances in asparagus are responsible for these positive effects, especially in humans.
Bile acids are important in cholesterol metabolism and are linked to diseases like heart disease and cancer.
Research has found that asparagus may help reduce cholesterol levels by improving the binding capacity of bile acids during digestion. In fact, asparagus appears to have a significantly higher bile acid-binding capacity than other fresh vegetables like eggplant, mung bean, carrot, and broccoli.
Other animal studies have also shown that asparagus may help regulate lipid metabolism, lower cholesterol levels, reduce blood pressure, and promote weight loss in mice. That said, as with the other suggested health benefits of asparagus, more research on humans is necessary.
Older research has shown that asparagus and its extracts may have some anticancer properties, including for cancers such as breast cancer and pancreatic cancer.
Some of the bioactive compounds asparagus contains, such as saponins or ethanol extracts from the stalk, may have anti-tumor properties or toxicity to certain cancer cells.
Polysaccharides in asparagus may also have anticancer effects by reducing oxidative stress and inflammation, promoting healthy digestion and immune function, and inhibiting gene mutation.
That said, the research on asparagus and cancer primarily involved test tube studies, and it's unclear whether the same effects exist in humans consuming asparagus without additional research.
The immune system recognizes and fights off harmful substances and cells. Research has shown that asparagus extracts may help boost immunity in various ways, such as improving the activity of red and white blood cells and the production of antibodies.
In addition, studies suggest that asparagus spears have some antimicrobial properties, which may help protect against certain infections. For example, research has found that films created from asparagus residue appeared to have good antimicrobial properties against the bacteria Escherichia coli and Staphylococcus aureus.
That said, more research is needed to fully understand how this works on a molecular level and how this can be applied in humans.
But once again, these findings came from either test tube or animal studies, and it's unclear whether these benefits extend to humans. That said, it's not disputable that asparagus is generally a healthy vegetable to add to your diet.
Which is healthier, broccoli or asparagus?
Both broccoli and asparagus are healthy additions to a diet. Asparagus is a little higher in fiber, folate, magnesium, and selenium, whereas broccoli is higher in vitamin C.
That said, the difference in their nutrients isn't that big. Your choice depends on which vegetable is available, which will pair well with your meal, and which one you like best. Generally, eating a variety of vegetables is best for your health.
Why is asparagus a superfood?
Asparagus contains many micronutrients, including iron, zinc, and riboflavin. It's an excellent source of vitamin K, an essential nutrient involved in blood clotting and bone health.
In addition, asparagus is high in folate (vitamin B9), a nutrient vital for a healthy pregnancy and many important body processes, including cell growth and DNA formation.
Is asparagus better for you cooked or raw?
You can eat asparagus raw. That said, cooking may help boost the antioxidants and nutrients that you get from consuming it.
Asparagus is an excellent vegetable to include in your diet. It's versatile and can be enjoyed both cooked and raw, either by itself or in soups, stews, salads, and more.
It is low in calories and boasts a high concentration of vitamins, minerals, and antioxidants that may offer numerous health benefits, such as helping lower blood pressure and cholesterol and helping support immunity.
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