Leann Poston, M.D. – Invigor Medical

What Is Sexual Health?

December 12, 2022

Sexual health is a state of physical, emotional, mental, and social well-being in relation to sexuality. It is not merely the absence of disease or dysfunction. Like brain health, it is complicated and poorly understood. Sexual health covers pregnancy, sexually transmitted infections, sexual behaviors, and attitudes toward sex. But it also covers sexual rights and sexual pleasure.1 As scientists better understand the complex interaction between our brains, sexual organs, and hormones, the...

Trimix and Viagra: Can You Use Them Together?

December 7, 2022

Erectile dysfunction (ED) is the persistent inability to get and maintain an erection sufficient for satisfactory sexual performance.1 Trimix is an injectable ED medication, and Viagra (sildenafil) is an oral PDE5 inhibitor. Trimix is a combination of three medications—papaverine, alprostadil, and phentolamine—that are injected into the penis to increase blood flow. The success rate for Trimix injection is 53% to 100%.2 Viagra is a PDE5 inhibitor that stops nitric oxide from breaking...

Erectile Dysfunction Symptoms

December 6, 2022

Erectile dysfunction (ED) is the inability to get and sustain an erection firm enough for sex. To meet the diagnostic criteria, symptoms must be present for at least six months, be causing significant distress, and not be better explained by another condition. ED is a very common medical condition that nearly all men experience at some point in their lifetime. It affects approximately 30 million men in the United States,1 with nearly a quarter of them under the age of forty.2 Approximately...

Can You Inject Sildenafil?

December 5, 2022

Sildenafil (Viagra generic) treats erectile dysfunction and pulmonary hypertension. It comes in a pill and intravenous form. The intravenous form is used when treating pulmonary high blood pressure or heart disease. For erectile dysfunction, sildenafil in pill form is the go-to option. Because sildenafil is available in a pill and intravenous form, you may question whether you can inject sildenafil or crush the pills to make it work quicker. The short answer is that it is not a good idea to do...

The word "brain food" surrounded by healthy food.

Nutrition and Brain Health

December 4, 2022

Minimal cognitive impairment is an intermediate between normal cognitive health and dementia. It is not the same as memory lapses common with normal aging. MCI prevalence increases with age from 6.7% of adults aged 60 to 64 to 25.2% of adults aged 80 to 84.1 Many Americans are making an important shift in how they think about their health. While the internet has its good and bad points, it provides access to health information in a way that empowers people to have more agency in making...

Oxytocin formula, a book describing hormones, and a stethoscope.

Can You Buy Oxytocin?

December 2, 2022

Oxytocin hormone supports social interaction, boosts mood, enhances sexual health, reduces inflammation, and suppresses appetite. Oxytocin is naturally produced when you touch or interact with another person. Commonly called “the love hormone,” oxytocin has snagged attention online as a hormone that has the potential to spice up your sex life and help you lose weight, all while in a happy, contented mood. Everyone naturally produces oxytocin, but sometimes you just feel like you need...

Why Should I Take Low-Dose Naltrexone at Night?

November 30, 2022

According to the UK-based LDN Research Trust Charity, low-dose naltrexone (LDN) is a safe and effective medication that is not an opioid and is not addictive. It may help relieve pain, control autoimmunity, and reduce inflammation. Naltrexone is Food and Drug Administration (FDA)-approved for treating alcohol and opioid use disorders.1 It is prescribed at a higher dose, which can cause several unpleasant side effects. In the 1980s, Dr. Bernard Bihari used LDN to treat symptoms associated with...

7 Reasons Why Vitamin B12 Is Important

November 29, 2022

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...

A close-up of an injection into a person's upper arm.

How To Self-Administer Vitamin B12 Injections

November 29, 2022

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...

9 Ways To Prevent and Relieve Sore Muscles

November 25, 2022

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...

A person holding a clock over their stomach.

How To Determine Your Biological Age

November 22, 2022

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...

An image of bones in the arm superimposed over a person.

Nutrition for Healing Broken Bones More Quickly

November 20, 2022

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...

What Does Brain Fog Feel Like?

November 16, 2022

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...

11 Reasons Behind Excessive Hunger

November 15, 2022

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....

A scientist pouring liquid into a test tube.

News and Updates About Anti-Aging Research Projects

November 3, 2022

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,...

Vitamin B12 Shots: How Much They Cost

November 2, 2022

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...

Healthy food, stethoscope, pulse ox and tape measure.

How to Get Metformin?

November 1, 2022

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,...

A man holding a pill with woman looking on

How To Get a Viagra Prescription

October 27, 2022

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%...

Prescription Weight Loss Drugs

October 18, 2022

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...

Author: Leann Poston, M.D.