Does it get harder to lose weight the older you get?

For many women who have already reached this point in their lives, the answer is an obvious YES.

Yet the question still remains of why this is the case, and if it is absolutely necessary. What is the science behind it? Can you avoid weight gain? How much of a challenge is it to keep the same shape and weight as before?

As it turns out, the answer is a bit unfortunate. There are real biological events that happen in your body as you age – particularly as a woman – that naturally lead to weight gain. But, fortunately, the more we know about them, the more equipped we are to take counter measures.

Here are the 4 most important reasons women in menopause gain weight:

1. Estrogen regulates appetite and fat storage

Arguably the most important facet of weight gain in menopause is decreased estrogen levels.

Estrogen receptors are located all throughout a woman’s body. They are particularly concentrated in the brain. This is important, because studies have shown that one type of estrogen receptor–estrogen receptor alpha (the other type is estrogen receptor beta)–plays an important role in energy homeostasis. That is – estrogen regulates how much energy your body burns.

In 2007, in a series of animal experiments described at the 234th national meeting of the American Chemical Society, researchers demonstrated how important estrogen is to the regulation of food intake, energy expenditure, and body fat distribution.

Professor of Psychiatry Deborah H Clegg led a group of researchers investigating two ER-alpha rich portions of the brain. There is a part of the brain called the ventromedial nucleus. This area has been long recognized to play a role in energy regulation.

Clegg and her colleagues used a new laboratory technique called RNA interference. This enabled them to deactivate the ER-alpha receptors in the ventromedial nucleus (but not other parts of the brain) in rats. When they did so, the animal’s energy levels and metabolic rates plummeted. The animals also developed insulin regulation issues, an intolerance of glucose, and weight gain, even though their calorie intake remained the same. 

This is so important it bears repeating:

Without estrogen in the ventromedial nucleus, rats ate the same amount of food as normal but developed severe weight gain, glucose issues, and low energy. Without estrogen, keeping everything else the same, they gained weight.

Plus, their weight was not evenly distributed. Instead, it went directly to the visceral, or abdominal area of the body. This area is linked to a much higher rate of inflammation and disease than fat in other locations.

Lowering estrogen activity in the brain throughout menopause and after has the same effect on women: the body natural starts to burn less fat, and to keep storing it in places like the abdomen.

2. Estrogen and progesterone combat insulin and cortisol

As I discuss at length in my program for weight loss, Weight Loss Unlocked: The Paleo Woman’s Solution (check it out here) – estrogen and progesterone play important roles in modulating insulin sensitivity.

Importantly, estrogen helps make you more insulin sensitive. As estrogen levels drop in menopause, this can be a big problem for keeping fat storage to a minimum, and especially around the abdomen, where it can be a health concern.

Importantly, estrogen and progesterone also help modulate cortisol levels. When estrogen and progesterone levels fall during menopause, it’s entirely likely that over time, the body shifts toward storing fat when calories are high (as opposed to building muscle), and reduces the amount of fat burned when calories are low (and burn muscle instead). This is an effect both of reduced cortisol suppression as well as reduced insulin sensitivity.

3. Muscle mass deteriorates more quickly than it used to

Oxidative stress, inflammation, and inactivity are important reasons that muscle mass decreases as women age.

Yet estrogen is also quite important. Estrogen helps move calcium into bones and therefore supports a strong skeleton.

Estorgen also helps build muscle.

Now, this might not make a lot of sense, since body builders are always talking about the importance of testosterone. Yet even male body builders recognize the importance of estrogen. The body needs a certain amount of estrogen to maintain androgen (male sex hormone, like testosterone) receptors, which then go on to stimulate muscle growth. Furthermore, estrogen receptor beta appears to encourage muscle growth itself. The process of muscle loss while aging – called sarcopenia – has been shown to be slowed by estrogen treatments (and estrogen receptor beta activity) in rats. Interestingly, these muscle-stimulating affects occur in both male and female mice.

4. When exercising the body doesn’t burn as much fat as it used to

Unfortunately, due to declining muscle mass and insulin sensitivity both, it becomes harder for the body to burn calories during workouts.

This is unfortunate, but  also not without its solutions. Women who switch to high quality weight-bearing exercises (which you can find, or example, in Noelle’s amazing Strong from Home workout program) do maintain muscle mass, and therefore high quality, effective workouts. They just have to good about it. This is partly why I recommend Noelle’s program so highly – it helps you craft a fitness plan that is the perfect amount of cardio, weight training, and challenge for you. 

You can be sure that the more you focus on maintaining muscle mass, the more intense and beneficial your workouts will be.

What to do about it

As I just mentioned above, you can help preserve the efficacy of your workouts by choosing ones that focus on lifting heavy weights. You can get an awesome program designed just for this purpose with Noelle’s wonderful Strong from Home

You can also do everything you can to keep inflammation to a minimum. This will help keep your body from building up stress hormone levels and storing fat in your abdomen. This means eating a nutrient-rich, anti-inflammatory diet full of organic vegetables and fruits, organ meats (here’s a supplement in case you do not like to eat liver), eggs, fermented foods (on this page are my favorites) and the rockstar superfood cod liver oil can go a long way.

Finally, you can work on supporting your estrogen levels. I do not recommend hormone replacement therapy. Sometimes, a small dose for a short period of time can work great as an interim fix. But  in the long term, it is probably best to focus on supporting estrogen with simple diet and lifestyle choices. You can do this getting plenty of high quality carbs (such as fruits and starches) and fats (such as olive oil and coconut oil) which can help boost estrogen production.

You may also be served by playing with your intake of phytoestrogens. Phytoestrogens are estrogens found in plants. They occur in high doses in soy and flax, and in lower but still sometimes effective doses in legumes such as black beans and chick peas. For some people they hurt estrogen production, but for many women in menopause it can actually help. Start with a small dose, such as a bowl of chickpeas or hummus, once a day to see if it helps make a change.

I talk in more depth about the effect of hormones on weight maintenance in my manual for permanent weight loss for women, Weight Loss Unlocked: The Paleo Woman’s SolutionIf you’re looking to find a way to keep losing weight as you age, this may be a great resource for you. Plus, it’s 100% risk free – you can try the plans without any hassle or risk. Check it out here.

Importantly, I personally have not gone through menopause! Everything I’ve shared here I’ve learned through research. Please if you have any comments or ideas or experiences share them below!

 

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