Winter Warning

If you live on the East Coast or the Midwest, you are used to winter warnings. Most of us have learned to bundle up and watch out for dangers such as black ice. For exercise enthusiasts, there are additional things to heed as the cold weather settles in so listen up: Your heart works harder in the cold environment. This could be attributed to wearing heavier clothes, shivering and the rise in resistance in the blood vessels.

So if you exercise in cold weather, here are some winter warnings that will protect you and help to avoid a heart attack:

  • Make sure you warm up.
  • Make sure you cool down for five minutes. This prevents blood from pooling/staying in the legs.
  • Exert yourself less outdoors than you do indoors.
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Vitamin D - The Miracle Vitamin!
I will never run out of words talking about this miracle vitamin which is really a hormone. As I write this I have one arm against the window in my favorite cafe. That is the only area that the sunlight will reach, but I am obsessed with taking in Vitamin D every chance I get. Its getting harder and harder in Jersey to find the time to go outside, plus daylight savings is here now.

Each week there is more information on the health benefits of Vitamin D so I can't help it if I sound like a broken record. Here is this week’s update:
  • Obese individuals are more likely to store vitamin d in fat tissue and have less available for use.
  • Vitamin D supplement takers were found to have a 7% reduction in mortality.
  • Taking in 10-30 minutes of sunshine will increase your vitamin D levels (without sunblock use) (if you are like me and can only have one arm exposed at a time- you will have to spend more time basking)
  • Children are likely to need supplements (800 IU is usually a good dose- check with their pediatrician)
  • Adults will need either prescription strength supplements or over the counter doses in the range of 1000-2000 IU per day especially if they are sun avoiders. It is very difficult to get in enough dietary vitamin D; see chart below to see if you are taking enough vitamin D.
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More About Sleep Deprivation

Sleep...my absolute favorite thing in the world. Crucial for life (next to food, water, shelter). Every Monday I take in at least twelve hours (after a weekend of overnight shifts, it's easy to conk out at 9:00 PM and wake up at 10:00 AM). I guess I am repairing the damage that was done - the wear-and-tear that happens when you do something unnatural like staying awake when others are sleeping.  

I have written before about sleep deprivation leading to high cortisol levels and increases in hunger and cravings. But this week I read something amazing. There was a study conducted by researchers at the University of Pennsylvania that looked into the adverse effects of sleep deprivation: Restricted sleep for nine days caused a 2.9 pound weight gain! Makes me wonder about my choice to do eight night shifts a month in the ER. Three pounds is a lot! It will take 21 days of exercise (for one hour) to burn off those calories.

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One Size Fits All
Well, this may have been true many years ago, but its 2009, and we know that this statement is really outdated.  The overweight person has a terrible chore of finding things to fit: clothes, shoes, seats at restaurants……I remember traveling to Korea and Japan years ago and feeling like I weighed five hundred pounds wherever I went.  I came home with trinkets but definitely no clothes.

As a physician I have noticed that as the American population gets bigger and bigger there are more instances where there isn’t the right fit. Each month I have to tell people they don’t fit: the CT scan machines cannot hold their weight or the ultrasound evaluation is suboptimal because there is too much adipose (fat) tissue around to allow a good look at the abdominal organs. Not being able to find designer clothes and such is embarrassing……….but having so much adipose tissue that your medical care is hindered is life threatening. Even more reason to get a fitness kick.
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The Ultimate Shopping List

To obtain as many antioxidants and nutrients as possible, update your shopping list. The body needs variety.  Eating the same thing day in and day out is boring and will leave you nutritionally deficient.  Supplements are great, but you need to eat and whenever possible eat:

  • Whole Foods      
  • Organic        
  • All Natural     
  • 100% Whole Wheat           
  • Wild         
  • Free-Range        
  • No Preservatives

Put a red check mark next to the items whenever you eat them. Make it a goal to take in most of these items every month. You do not know how lucky you are to have a variety of foods at your fingertip when its time to shop. Just remember that many crops are genetically modified or picked when unripe, so we have to be selective about where we shop and what we buy. For instance years ago there were different kinds of broccoli planted but now due to high costs, most farmers tend to stick to one kind. If a veggie grows fast and is resistant to pests that’s the one that’s selected for planting. Therefore...variety is diminishing.

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