Moore notes that dietary variety is important, so people should try to eat protein from many different sources. For example, a tuna fish sandwich for lunch, a small handful of nuts or yogurt as a snack, and grilled chicken for dinner is a better choice than 17 eggs or 5 protein bars.
How can protein lower blood pressure? The regulation of blood pressure is a complex process, involving the heart, kidneys, blood vessels, and numerous hormones interacting throughout the body.
Other animal proteins, especially eggs, contain high levels of arginine, which dilates blood vessels and lowers blood pressure. We expected to see a reduction associated with the protein—I was thinking in particular of eggs and dairy products—because of those known mechanisms. For her next round of research, Moore is taking a closer look at some of the individual protein foods, like eggs, to get a better handle on how they affect blood pressure.
This is just another reason why dietary variety is important. Barbara Moran is a science writer in Brookline, Mass. Boston University moderates comments to facilitate an informed, substantive, civil conversation. Abusive, profane, self-promotional, misleading, incoherent or off-topic comments will be rejected.
One of the first questions that students are taught to ask the patients is if they have any blood disorders that they are aware of. Identified hypertensive subjects were referred to the nearby clinic for treatment. Global status report on non communicable diseases Study Design and Sample Size A community based cross-sectional study was carried out among the people aged 25 to 64 years living in the selected study area. Don't miss out Read your latest personalised notifications Ok, got it. Meeting international aerobic physical activity guidelines is associated with enhanced cardiovagal baroreflex sensitivity in healthy older adults.
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Learn more about Bayer Consumer Health. Take the first step Knowing your blood pressure numbers is key to a longer, healthier life. Lewis Kuller, University of Pittsburgh, noted that using hospital records may have underestimated dementia in men while overestimating it in women, since women are hospitalized more frequently, raising the chances that dementia would be detected. In addition, since most men die younger than women do, and there is a delay between diagnosis of dementia and its inclusion in records, the diagnosis may have gone unrecorded in some men.
This is an interesting paper.
There are several reasons why there might be a sex difference in the relationship between midlife hypertension and risk of dementia, i. First, the paper purports to document that their method of ascertainment of dementia has been validated. However, the reference provided in the paper 19 has no relationship to the current study using the Kaiser Permanente database and refers to a personal communication as the validation for the evaluation of dementia in a study done in members of a health program in Seattle. A further reference from that paper is to a publication on the accuracy of Medicare claims data to identify Alzheimer's disease in the Journal of Clinical Epidemiology by Taylor, et al.
That paper shows that Medicare claims data, using all types of Medicare claims records, including hospital records, physician records, and so-called institutional records over a three- to five-year period, identified about 80 percent of all of the dementia cases that were in the CERAD registry.
However, the CERAD registry by definition was a registry of patients seen and evaluated in tertiary care facilities at major teaching hospitals and AD centers in the late s, and these patients were most likely to have been referred from clinical services within these centers and therefore much more likely to have dementia diagnoses on their hospital records. Thus, there still may be a substantial underreporting of dementia in this paper.
The likelihood of a dementia diagnosis being on a hospital record is a function of the number of times an individual is seen by a physician or in hospital care. Women have a higher level of morbidity and hospitalizations than men and it is possible, therefore, that the diagnosis of dementia was more likely identified among women as compared to men.
Therefore, there may be a substantial bias in using the database for their study. Men have a higher mortality, especially in relationship to hypertension and atherosclerosis, and may have died prior to the diagnosis of dementia appearing on their hospital record or other records. The time between the dementia diagnosis and death after the diagnosis of dementia will, in part, determine the likelihood that the dementia diagnosis will appear on a medical record and be included in this study, and since men have a higher mortality or possibly shorter length of time with their dementia, the diagnosis may not be included in their records.
I would suspect that this is the most likely explanation for this sex difference, i.
The second and interesting possibility is that the association may be a function of use of sex steroid hormones, i. The cohort that they describe probably included large numbers of women who were using estrogen or estrogen plus progesterone prior to the results of the Women's Health Initiative WHI , etc. In the WHI, the use of estrogens or estrogen plus progesterone was associated with an increased risk of stroke and also with an increased risk of dementia.
Furthermore, studies have shown that estrogen and progesterone therapy, as well as estrogens alone, are associated with an increased risk of hypertension. Thus, it is possible that the midlife hypertension plus the use of estrogens or estrogens plus progesterone may have been associated with a further increase in the risk of dementia.