Become a Sexual Dynamo

Probably no surprises here, but regular exercisers have more lift to their libido.  So says a recent study out of the VA medical center in North Carolina.  According to the research, men that worked out regularly (and quit or refrained from smoking) reported better sexual function.  This was true even after adjusting for age and race.  Nice.

A related Finnish study showed that women who exercised regularly and quit or refrained from smoking had better urinary health.  These findings are scheduled to be released tomorrow at the annual meeting of the American Urological Association in San Francisco.

Although the benefits of exercise and disadvantages of smoking are pretty evident for most people, many do not realize how quickly they can benefit by just getting started now.  I've done it, quit smoking after twenty years.  I loved tobacco; but without a doubt, my greatest gains have been in my cardiovascular endurance, and that alone was worth quitting.

I do not miss the feeling of being out of breath on the slightest brisk walk or run.  Sure, I continued to work out, play sports and be relatively active, but I was entirely aware of my cardiopulmonary limitations, simply because I'd get winded.  However, since I was smoking from a very early age, I didn't realize how much it effected my endurance until I quit.  To this day I say it's the greatest effect I've noticed, and that benefit alone keeps me from ever restarting.

When it comes to sexual health, the cardiovascular system is everything.  For men to get and maintain an erection, receiving proper blood flow to the penis is imperative.  That's how Viagra works, by increasing penile blood flow.  But you can do it naturally: Kick the nicotine habit, and work out, both anaerobically (resistance training), and aerobically (treadmill, bike, hiking, elliptical, etc.).  I guarantee if you do both these actions (keys #2 and #6 in my book The Six Keys to Optimal Health), you'll feel results almost immediately.  You know they say a hard man is good to find...well, it's good for the man, too.

"Good" Cholesterol Retains Memory

If I've said it once, I've said it a million times: Your high density lipoprotein (HDL) levels are the cholesterol readings that matter the most. If you remember my earlier posts, and my podcast on statins (Episode 7), you'll recall that HDLs, or "good" cholesterol, are more important than low density lipoproteins (LDL) and total cholesterol when it comes to predicting whether you'll develop heart disease. If you don't, then maybe your HDL levels need a little boost.

According to British researchers, middled-aged people with low levels of HDLs had greater memory decline and were at greater risk for developing Alzheimer's disease or other forms of dementia. The study looked at 3,700 British men and women, and found that falling levels of HDL cholesterol were linked to declining memory by age 60. The subjects were given a memory test, whereby they had twenty words read to them and then were instructed to write down in two minutes as many of the words they could remember. At age 55, those with low HDL cholesterol had a 27% higher risk of memory loss than those with high HDLs. At age 60, those with low HDLs had a 53% higher risk of memory loss compared to those with high HDLs.

I'm trying to tell you how important keeping your HDL levels up is. Here are the ways to increase HDL levels:

• Regular aerobic exercise--walking, jogging, hiking, treadmill, stair climber--anything that makes you sweat for 20-30 minutes uninterrupted
• Supplementing with omega 3 fatty acids--take these every day. I carry the best in my office
• Losing weight--the two previous activities will help in this regard as will portion control (and by cutting sodas, and by going on the wagon)
• Kicking the smoking habit

Pick up these habits, one at a time if you need to, and watch your HDL levels climb. You'll not only benefit by reducing your chances of having a heart attack and retaining your sharp mental wit, but you'll also feel better. And look better, too. Can I motivate you any more than that?

Bodybuilders Need Cardio

You know what I never get? The one-dimensional exerciser. You know who I'm talking about--the buffed guy who never does cardio; or the panting and sweaty guy who does an hour on the treadmill (get off, man--people are waiting!) and nothing else. Even so, most people have the sense that they've gotta mix it up from time to time. But now, my friends, we've got proof.

A recent study published in the Journal of Applied Physiology looked at athletes who participated solely in one fitness activity--either endurance or strength training--and found that people who do cardiovascular exercise (endurance training) have an increase in size of both their right and left heart ventricles, while those who do strength training have excessive growth in their left ventricle only. Additionally, the ability of the left ventricle to fully relax between beats--the diastolic function--is enhanced in endurance athletes, while it worsens in strength trainers.

The heart ventricles pump blood away from the heart. The right ventricle pumps blood to the lungs and the left ventricle pumps blood to the rest of the body. It doesn't take a rocket surgeon, then, to figure out why cardiovascular training increases growth in both ventricles--cardio pumps blood to the lungs as well as the working muscles of the body. And it's not brain science understanding how strength training increases growth in the left ventricle excessively. Pumping iron requires massive amounts of blood moved to the working muscles. Heart muscle, like any other muscle, increases in girth when exercised. Pumping iron=pumping blood=buffed heart. That's a heavy workload for the left ventricle to supply the muscles of the body all by its lonesome--but it does.

Unfortunately, an enlarged left ventricle can present a problem. It's called left ventricular hypertrophy and can lead to things like shortness of breath, chest pain, sensation of rapid, fluttering or pounding heartbeats (palpitations), dizziness, fainting, or rapid exhaustion with physical activity. Therefore, it's probably not a good idea to neglect your cardiovascular training. If you read my book, The Six Keys to Optimal Health, you'll see how all three pillars of exercise--resistance training, cardiovascular training and stretching--work together to enhance each other. So you've really got to do each one in balance.

Some people think that if they just do their weight training at a quick pace then they're getting their cardio in. Uh, no, sorry. Cardio is cardio. Try this. Moderately paced and continuous aerobic exercise (weight training is anaerobic) that makes you sweat. That's it. That's cardio. It's not window shopping, walking through the parking garage to your car, or resting for only one minute instead of two between sets at the gym. Uh uh. Nope. Gotta keep moving for 15, 20, or 30 minutes. And if you do it regularly, you'll gain strength, balance, and endurance in your muscles, lungs, and heart. Now ain't that worth the added sweat?

Babyrobics

Think exercise is just for adults? Think again--it's for teenagers and children and unborn babies too! Unborn babies? Yes...aerobic exercise benefits babies still basking in the womb. How so?

Through the autonomic nervous system, that part of the nervous system beyond our conscious control, baby gets cardiac benefits same as Mama does. Isn't that the coolest? Mothers who performed regular aerobic exercise--at least 30 minutes, 3 times per week--showed lower heart rates and higher heart rate variabilities (as did their fetuses), than did mothers who were inactive. These were the results of a pilot study presented to the 121st annual meeting of the American Physiological Society, part of the Experimental Biology 2008 scientific conference.

Heart rate is the frequency of the heart cycle, or how often the heart contracts in a given period of time. Lower heart rates are desirable while at rest (not too low, though), as rapid heart rates mean the heart is working harder than it should be. Heart rate variability is the heart's ability to adjust to varying levels of demand, so the higher the better. In fact, a low heart rate variability can be dangerous. Regular aerobic exercise improves both. And now we know how much it benefits baby too.

Keeping up with one's exercise regimen while pregnant is important, and although many routines will need to be modified, getting in some brisk cardiovascular work is always a plus. Here are some ways in which you can keep things moving throughout your entire pregnancy:

• hiking--if you live in Los Angeles, there are lots of places to do this
• walking laps at a park--try to build up a sweat
• yoga--many studios offer prenatal yoga classes
• swimming--great way to take the load off
  
• go to the gym--light weights should be fine; use the treadmill

My pregnant wife does four days a week of cardio, yoga, and light weights. She looks great. She feels great, and now I'm calmly satisfied that my baby is getting his or her cardio work in too. Very good. It'll be needed..to keep up with this family.