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Does vitamin D raise cholesterol?

Higher vitamin D levels appear to be associated with higher total cholesterol levels and higher HDL cholesterol levels, according to a new study presented at the American College of Cardiology's (ACC) 65th Annual Scientific Sessions.

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Higher vitamin D levels appear to be associated with higher total cholesterol levels and higher HDL cholesterol levels, according to a new study presented at the American College of Cardiology’s (ACC) 65th Annual Scientific Sessions.1 Investigators looked 13 039 adults and found that higher 25-hydroxyvitamin D (25[OH]D) was cross-sectionally and prospectively associated with higher total cholesterol and HDL cholesterol levels and lower total cholesterol-to-HDL cholesterol ratio after considering factors such as diabetes and adiposity. “We wanted to see the association of low vitamin D with low HDL cholesterol and high total cholesterol-to-HDL cholesterol ratio, but I think we were most surprised to not find an association of vitamin D deficiency with elevated triglycerides, as has been noted in other studies. This may be in part that we carefully adjusted for other confounding lifestyle variables such as physical activity and 2 measures of adiposity (BMI and waist circumference),” said senior study author Erin Michos, MD, MHS, associate professor of medicine and epidemiology and associate director of preventive cardiology at Johns Hopkins School of Medicine in Baltimore. “We also were surprised that we did not see any association of low vitamin D with elevated LDL cholesterol in our overall sample. However, when we performed a sensitivity analysis looking at individuals who were not taking lipid-lowering therapy at the baseline exam or at any of the follow-up visits, we did see the association of low vitamin D with elevated LDL cholesterol.” Dr Michos and her colleagues measured lipids at baseline (1990-1992), in 1993-1994, and in 1996-1998. The mean follow-up was 5.2 years.

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The investigators used linear and mixed model regression methods to assess associations of 25(OH) D with cross-sectional and lipid trends. They also adjusted for clinical characteristics. The mean age at baseline was 57.6 years, 57% were women, and 24% were black. Among those individuals without baseline dyslipidemia, participants with low 25(OH) D (<20 ng/mL) compared with optimal levels (≥30 ng/mL) had increased risk for incident dyslipidemia in demographic-adjusted models (hazard ratio [HR]=1.19; 95% CI, 1.02-1.39). Nevertheless, this finding was attenuated in fully-adjusted models (HR=1.12; 95% CI, 0.95-1.32).1

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How can I get 30g protein for breakfast?

These are some good options: overnight oats. fruit/veggie smoothies. homemade breakfast muffins. healthy breakfast burritos. chia pudding. veggie and egg muffin cups. whole wheat toast with nut butter or smashed avocado with lime juice. yogurt and granola. More items...

Some nutrition experts recommend a 30/30 plan of 30 grams of protein within 30 minutes of waking for weight loss. Here’s why such a routine might work. Knowing what to eat is much more complicated than simply looking at a food guide.

Take protein, for example.

When the Atkins diet was trending, protein was hailed as the macronutrient everyone needed more of. We were told to eat more protein and fewer carbohydrates. Then, with the rise of plant-based diets, our understanding of protein shifted yet again. Suddenly it was said that we were eating too much protein, and that protein from animal sources was a culprit in a whole host of health issues: osteoporosis, kidney disease, calcium stones in the urinary tract, and even some cancers. Some doctors — such as Canadian cardiologist Dr. Shane Williams — even began prescribing a plant-based, lower protein diet for those trying to improve their health and lose weight. And now? We may be back to protein, at least early in the morning. A new study argues that protein is a powerhouse macronutrient that should be eaten for breakfast in order to help curb afternoon sugar cravings. Researchers also suggest that eating protein helps people feel satiated, meaning they’re less likely to overeat.

Seems like a surefire way to improve your health and commit to weight loss or management goals, no?

Well, we heard from nutritional experts to get their perspective on protein — and protein for breakfast in particular. Here’s what we learned.

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