Author: Leann Poston, M.D.

7 Reasons Why Vitamin B12 Is Important

Vitamin B12 deficiency is common and underdiagnosed, even though excess B12 is stored in the liver. Vitamin B12 is found mainly in animal products, fortified breakfast cereals, and nutritional yeast. People who take certain medicines, eat a vegan or vegetarian diet, or have had stomach problems in the past may need to supplement their vitamin B12 (Ankar, 2022). Human physiology is complex. While scientists have identified several roles for vitamin B12 in the body, there are likely hundreds...

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How To Self-Administer Vitamin B12 Injections

Many people use vitamin B12 injections to replenish their vitamin B12 levels, providing extra energy, vitality, and many other benefits. Vitamin B12 injections have different effects depending on your vitamin B12 status. Going to an injection clinic or doctor’s office for each injection is a hassle, and the fees add up. Learn how to self-administer vitamin B12. If the following instructions differ from what you were told by your healthcare provider, follow their instructions. Based on your...

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9 Ways To Prevent and Relieve Sore Muscles

Delayed onset muscle soreness is the aching muscle pain you might experience a day or two after a workout. DOMS can cause muscle tenderness or severe excruciating pain.1 It can make even the most intrepid athlete turn into a couch potato, whether an elite athlete, a weekend warrior, or an older adult exercising as a tried-and-true strategy for age management. DOMS is more common when you start a new activity, a new season, or an exercise program. Eccentric muscle contractions (lengthening...

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How To Determine Your Biological Age

How often have you heard someone say, “You are only as old as you feel.” If you feel younger than your chronological age, this is good news. But what if you feel older? Aches and pains, injuries, fragility, and slowing down are not inevitable just because your chronological age increases. What’s even more important than your chronological age is your biological age. Chronological age is easy to determine, but how can you assess your biological age? Scientists are developing...

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Nutrition for Healing Broken Bones More Quickly

Nutrition affects all aspects of your health, keeping your brain healthy and your bones strong. It is essential to give your bones the nutrients they need to maintain bone density and speed up the bone healing process. Bones serve as a repository for calcium and phosphorus, produce bone marrow, and serve as anchors and supports for muscle contraction. Bones are both strong and flexible. After a bone fracture, your bone needs to repair the fracture and strengthen damaged bone. Consuming foods...

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What Does Brain Fog Feel Like?

Brain fog is characterized by memory impairment, difficulty concentrating, and a change in cognitive abilities. People might describe it as a mentally fuzzy feeling that makes it hard to focus and concentrate. Brain fog is not a medical diagnosis. Instead, it is a constellation of symptoms that may be due to a medical condition or a combination of lifestyle factors. While any change in cognitive health is concerning, brain fog symptoms can usually be improved or treated after identifying the...

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11 Reasons Behind Excessive Hunger

Nothing is worse when trying to manage your weight or improve your athletic performance than feeling constantly hungry. Hunger causes physical symptoms such as stomach cramping and growling, shakiness, headaches, and a lack of energy, as well as emotional symptoms such as irritability and poor mood. Medical conditions or hormonal changes may cause increased hunger. For example, many women have an increased appetite in the second half of their menstrual cycle when progesterone is dominant....

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News and Updates About Anti-Aging Research Projects

Is aging a disease? Is it a medical condition? It seems like the logical answer to these questions is no. Aging is a natural process that happens to everyone, not a disease or medical condition. But many scientists disagree that aging is a natural process we must accept. Instead, they believe the aging process can be slowed even if it cannot be completely stopped, and they are making great strides in their anti-aging research. As we shift our mindset and no longer consider aging inevitable,...

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Vitamin B12 Shots: How Much They Cost

Vitamin B12 deficiency is common, affecting about 6% of adults under the age of 60 and almost 20% of adults over the age of 60. Approximately 24% of men and 29% of women take supplemental vitamin B12. However, vitamin B12 is not easily absorbed. If you are one of the many people with vitamin B12 deficiency, vitamin B12 shots have the following potential benefits:  Improved mood More energy More restful sleep Lower risk of anemia Clearer cognitive thinking Better nerve...

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How to Get Metformin?

Metformin is a commonly used and well-tested first-choice treatment for type 2 diabetes. The American Diabetes Association (ADA) also recommends metformin for people with prediabetes to prevent them from progressing to type 2 diabetes.1 It has a very good safety profile, has been used for many years, and has a clinically tested ability to lower blood sugar without causing hypoglycemia. Preventing or managing type 2 diabetes can help prevent other chronic diseases and the side effects of diabetes,...

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How Long Does It Take for Minoxidil To Work?

Minoxidil is available as a prescription oral tablet used to treat high blood pressure and hair loss and as an over-the-counter solution used to treat hair loss. In 1987, the topical form of minoxidil was FDA-approved to treat male-pattern baldness and was subsequently approved to treat female-pattern baldness.1 More recently, low-dose oral minoxidil has also been used to treat hair loss in people who did not experience success using the topical form. Both oral and topical minoxidil has potential...

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How To Get a Viagra Prescription

Sildenafil, brand name Viagra, is a prescription medication to treat erectile dysfunction (ED). Sildenafil was discovered by Pfizer Inc. and was approved by the U.S. Food and Drug Administration in 1998 as a safe and effective ED treatment option.1 Within six months of its FDA approval, 5.3 million Viagra prescriptions were written.2 Before Viagra, less than 4% of men sought ED treatment, likely because the available treatments were invasive and had little effectiveness. Within six months, 20%...

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Prescription Weight Loss Drugs

Obesity is a chronic condition that affects about 42% of U.S. adults.1 Approximately two-thirds of U.S. adults are either overweight or have obesity.2 Obesity is associated with nearly 200 medical conditions.3 It raises your risk of developing serious diseases, reduces your quality of life, and shortens your life span. People used to think that counting calories eaten and burned and eating at a calorie deficit would lead to steady weight loss (the 3500 kcal per pound rule). We know now...

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What Causes a Lack of Energy and How Do You Increase It?

A lack of energy and motivation has many causes and consequences. Sometimes it even becomes a vicious cycle. Low energy and motivation may cause you to feel lazy and out-of-sorts, which certainly provides no motivation to make a change.  Having no energy is debilitating. Lack of energy and motivation leads some people to turn to unhealthy health habits such as alcohol or drug use. About 6.6% of U.S. adults (16 million people) are using prescription stimulants, and about 5 million of them...

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Immunosuppressant Drugs: Common Medications and Tips for Boosting Your Immune System

Immunosuppressive drugs are medications and therapies that block the function of part of the immune system. These medications are lifesaving when treating autoimmune disorders or after organ transplants. However, suppressing the immune system puts people at greater risk for infections. Many people have sought ways to boost their immune systems, but so far, research has not supported this possibility.  The immune system is a complex system of organs, cells, and chemicals. It has so many...

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The 10 Most Common Causes of Hair Loss

Alopecia, or hair loss, can be localized or diffuse, reversible or permanent, limited to the scalp or widespread, and caused by scarring or not. Everyone sheds 50 to 100 hairs daily, but as you lose more, patchy areas on the scalp or hair thinning becomes more obvious. Alopecia has several subtypes according to the various causes. In this guide, we will consider the top 10 most common hair loss causes. Age The three phases of hair growth are the same for everyone: anagen (growth...

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Anti-aging Medicine: What Is It and Does It Work?

The aging process is the same for everyone, but how fast it occurs depends on genetic and environmental factors. Scientists compare populations that age slowly with those that boast large numbers of centenarians to gather clues about the aging process and how to slow it. As your body ages, it loses its ability to adapt to your environment.1 The life expectancy of humans has almost doubled in developed countries over the past century. However, longer life spans mean an increased prevalence of...

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9 Reasons for Increased Appetite in Women

A sudden increase in appetite may indicate a medical condition or the need to make dietary or lifestyle adjustments. Increased appetite can cause uncomfortable stomach cramping and burning, headaches, and symptoms of low blood sugar. Most people can go several hours between meals, but some people experience constant hunger. Excessive hunger is a sign that your body needs more energy, but it can also lead to weight gain and changes in body composition if you consume more calories than your...

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5 Benefits of Exercise for Aging Adults 

The over 65 population in the US is expected to double by 2030, reaching about 20% of the population. The prevalence of osteoporosis, type 2 diabetes, cardiovascular disease, and some cancers increases with age. Body composition also changes with aging due to a 5% to 25% decrease in resting metabolic rate, which leads to increased body weight and body fat even when diet and exercise habits are unchanged.1 Testosterone, a sex hormone with both androgenic and anabolic properties, and growth...

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8 Best Foods for Better Brain Health

It is hard to prove that foods boost brain function, but there is a lot of evidence that nutrient deficiencies can cause cognitive delays, oxidative damage to brain cells, decreased cellular energy, increased inflammation, changes in immune function, increased depression and other mood disorders, and hasten the aging process.  Many groups are working on getting aging and the chronic diseases associated with aging to be recognized as a disease. While aging is a natural process, there is...

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