Exercise Beats Medication for Mental Health!

 

You heard that right – yet another study has shown that regular exercise can be more effective than medication for the treatment of mental illness – such as depression!

The latest study published in the British Journal of Sports Medicine – looked at 97 studies making it one of the most extensive research reviews to date.

The study found that regular exercise of 12 weeks or less were highly effective for improving mental illness symptoms and that higher-intensity exercises showed greater improvements for depression and anxiety.    Notably the study also concluded that all kinds of physical activity can significantly reduce symptoms!

The groups that benefitted most from physical activity were people with depression, women who were pregnant and postpartum, people with kidney disease, HIV-positive people and even totally healthy people.

The study concluded that a little exercise can go a long way in improving mental health symptoms and that all types of physical activity studied were helpful.

Visceral Fat and Cardiovascular Disease

 

Visceral fat (the fat stored deep in the belly and surrounding your internal organs) is a strong predictor of your risk for cardiovascular disease including heart attack and stroke!  Visceral fat negatively impacts metabolic health resulting in these increased cardiovascular risks.  Body shape is directly related to levels of visceral fat and there are two classic patterns:  apple vs pear shape.   The Apple Shape also known as Android Fat Patterns means you tend to store your fat in your gut and torso whereas Pear Shape – also known as Gynoid Fat Pattern - means you tend to store your fat in your hips and buttocks.    Apple shape is much more common in men and Pear shape is more common in woman.   However, woman often shift from a Pear Shape to an Apple Shape after menopause because of the dramatic hormonal shift, and this shift is directly associated with increased risk of cardiovascular disease.

A great way to know your fat pattern and associated risk is getting a Styku Scan – www.styku.com which can give you a handle on your level of visceral fat and associated risk.

Lowering Visceral Fat

Both exercise and caloric restriction can help reduce bodyweight and bodyfat levels.  A meta-analysis of 40 randomized controlled trials looked at the effects of exercise and calorie restriction on visceral fat (measured with MRI or computed tomography).

The study showed that both exercise and caloric restriction reduced visceral fat.   However, the study showed that there was a dose response effect for exercise - but not for caloric restriction - meaning that exercise provides progressively more benefits the more exercise you do!

The take home message is to find ways to increase your activity level and work on healthy eating habits!

Is Sugar Sabotaging Your Weight Loss?

 

Many people notice that eating breakfast makes them hungrier throughout the day, and this is probably NOT their imagination!   In this case the culprit is likely what they eat.  Specifically, refined carbohydrates, including sugar, can drive hunger particularly if they are consumed with little fat or protein.

A recent study tested this hypothesis with 16 healthy young women between the ages of 18 and 30 who had a stable body weight for the last 3 months.  Anyone with diabetes or on medications that affect appetite was excluded along with people who were allergic to any part of the meals given as part of the study.

Participants fasted for a minimum of 8 hours prior to the study.  In the morning participants came to the laboratory and were given a standardized test meal consisting of passion fruit juice, one cup of coffee, French bread and 5 grams of margarine.   The two drinks had no sugar added and the participants were instructed to sweeten to their preferred taste.

The sugar container given to the participants was weighed both before and after its use by each person to know the amount of sugar each person added to their drinks.   After completing the entire meal participants did not eat or drink anything (except water) until lunchtime.

Lunch was served 3 hours after breakfast and consisted of pasta with tomato sauce, and participants were instructed to eat until they felt satisfied. 

Study Results

The participants were divided into two groups based on the amount of sugar they elected to add to their breakfast.   The high sugar group added about 25 grams of sugar to breakfast while the low sugar group only added 14 grams of sugar. 

  

Both groups were evaluated for their perception of hunger and satiety.     The high sugar group had significantly higher levels of hunger during the three hours after breakfast AND consumed significantly more pasta at lunch!

Take Home Message

Avoid high sugar breakfasts such as standard breakfast cereal, fruit juices (eat fruit don’t drink it!) and consume 15 – 20 grams of protein and a small amount of fat.   Also try to add higher fiber carb choices like berries instead of banana, adding spinach to an omelet, etc.      Examples include an omelet with spinach with berries or a shake with protein, greens, and small amount of MCT oil for fat.

Tips for Adjusting to the Spring Time Change

 

It’s that time of year again – time to “spring forward” and set our clocks forward one hour next Sunday.  Resetting clocks in devices is simple.    Unfortunately, your body clock is not nearly as easy to reprogram.    This can come with real health consequences.  An hour time shift does not seem like a lot, but your body runs on a tight schedule and this one-hour change throws us off.

Scientists have documented that the shift to daylight saving time in the spring, when we lose an hour of sleep, is linked to an a much higher rate of attacks and car accidents.  The change throws off the sleep cycle and that is where all the problems come from.

Over the last 20 years, scientists have documented that, in addition to the master clock in our brains, every cell in our body has a circadian rhythm and time-keeping mechanism. The body and cell’s circadian rhythm help regulate important functions such as sleep and metabolism. And increasingly, there's evidence that when our habits — such as when we eat and sleep — are out of sync with our internal clocks, it can harm us.

When we disrupt our routines with erratic sleep or eating habits, it can increase the risk of metabolic disease. For instance, overnight shift workers are at much higher risk of developing diabetes and obesity. Research also shows that kids who don't have set bedtimes and mealtimes are also more likely to become overweight.

Regulating light exposure is key to regulating circadian rhythm.  It is the primary signal to turn on the body’s metabolic processes for sleep and rest to active and alert in the morning.

Maximize Exposure to Bright Light During the Day

It is important to maximize your exposure to daylight in the morning. This simple step is every bit as powerful as avoiding blue light at night.   Ideally get outside immediately upon waking – just five minutes of outside light can do the trick!    

Outdoor sunlight is about 1500 lux on a cloudy and 100,000 lux on a sunny day while indoor lighting typically maxes out at 500 lux!    Bright OVERHEAD light is the primary signal to shut-down melatonin production and wake up.    

If it is too cold to go outside consider buying a 10,000-lux light – ideal one that you can set to shine down on your face from above you.    

Minimize Evening and Nighttime Light

Exposure to light and electromagnetic fields from computers, phones, tablets, and T.V.’s all act as a stimulant, so it is important to minimize nighttime light exposure and blue light exposure in particular.  Blue light comes from artificial lighting.   Blue wavelengths – which are beneficial during daylight hours because they boost attention, reaction times, and mood – are disruptive at night.   Energy efficient lighting is packed with blue light as our electronics.

Turn off lights or dim them as much as possible.   If you must use a computer or your phone install blue light filtering programs on both that will adjust the amount of blue light emitted by your computer, phone, and tablets.    Flux – https://justgetflux.com is a free program for your laptop or tablet and the Twilight app for your phone.   Both allow you to set times and adjust blue light output of your devices automatically based on time of day! 

You can also buy blue blocking glasses to use in the evening.   This may seem gimmicky but there is very well-done research supporting the effectiveness of reducing blue light in the evening through these and other measures!

For night-time bathroom trips use a red-light nightlight as redlight does NOT disrupt sleep which is why you see it used by the military on ships and submarines!

Avoid Alcohol!

Alcohol intake is extremely disruptive to sleep and for many just eliminating it results in much higher sleep quality within a week.    Consider cutting down or completely eliminating alcohol intake particularly during the work week!

Stop all food and beverage by 8pm!

Ideally stop all food and beverage intake 3 hours before bed – late food intake can create digestive issues and late beverage intake can force bathroom trips disrupting your sleep.

Stay on a consistent sleep/wake cycle!

Get up and go to bed at the same time each day – this trains the body and mind.   It is NOT a good idea to sleep in on weekends – this just disrupts your circadian rhythm.

Minimize Caffeine intake after 10am!

There are slow and fast caffeine metabolizers and if you are a slow metabolizer it is critical to stop any and all caffeine intake by 10am!   

Exercise!

Yes – it’s true – for many a consistent exercise habit will dramatically improve sleep quality and duration!

Finish your morning shower with a cold shower!

While this may seem unpleasant at first cold showers dramatically ramp up the secretion of norepinephrine which is the brains primary stimulant.  See this blogpost for the many benefits of cold showers:  http://workoutanytime.blogspot.com/2022/04/can-cold-showers-improve-exercise.html