Though promising, the study relied on women's memories
of soy intake in childhood, a method prone to error.
There's research that shows
regular soy intake reduces sperm count and testosterone levels and there's research that contradicts these findings.
Unfortunately, most studies to date fail to establish a reliable connection between
dietary soy intake and occurrence of hot flashes.
Women with the highest amount
of soy intake had significantly higher odds of live births than those with the lowest intake.
With only one exception, either no effects or very modest changes in thyroid function
with soy intake was found.
For my son, I believe it was the combination of
high soy intake, coupled with a strong antibiotic I took early in the pregnancy.
«However, based on our results, we do not see a detrimental effect of
soy intake among women who were treated with endocrine therapy, which has been hypothesized to be a concern.
A 1988 study found the disease to be nearly twice as common in several large Asian cities,
where soy intake is two to five times as high as in the U.S.
Keep soy intake to a minimum (as it contains phytoestrogens called isoflavones which mimics the activity of estrogen in the body) 6.
Additional studies have found no interference with thyroid function following supplementation of human diets with isolated soy protein, and at least one study has
linked soy intake to thyroid support in postmenopausal women.
Human studies all indicate that moderate
WHOLE soy intake (not powders of pills) actually reduce cancer risks
Looked at 61 cases of bladder cancer and found cause for concern
regarding soy intake and the increased risk of bladder cancer.
A review of 14 trials that
involved soy intake and thyroid function in healthy adults and those with hypothyroid was published in Thyroid.
A randomized, double - blind, placebo - controlled study (the best study design around), published in Journal of Clinical Endocrinology and Metabolism, showed that
soy intake significantly improved insulin resistance, triglycerides, LDL and cholesterol.
Soy Intake Modifies the Relation Between Urinary Bisphenol A Concentrations and Pregnancy Outcomes Among Women Undergoing Assisted Reproduction.
None of the patients developed hypoythroidism from the
low soy intake diet.
Having said that, Dr. Greger mentions a 3 - 5 serving range for
soy intake based on the research.
A few years ago there was some concern over the relationship
between soy intake and breast cancer due to the isoflavones found in soy (which are weak estrogen - like compounds found in plants).
Pro Tip: Until the verdict is decided on whether soy protects us from cancer or is correlated with it, I recommend
limiting soy intake to two to three times a week and consuming only sources that are non-GMO and organic.
For men, specifically,
increased soy intake can reduce testosterone levels and lead to a number of undesired health effects.
However, with the exception of women who consumed a high intake of soy during adolescence, the majority of epidemiological studies (studies carried out in defined population groups) have not found that women with
higher soy intakes are at lower risk of breast cancer.
While the research has been mixed and somewhat controversial, there is some evidence to show that
regular soy intake can cause hormone disruptions and even increase your risk of developing certain types of cancer.
Dietary soy intake is not associated with risk of cardiovascu - lar disease mortality in Singapore Chinese adults.
I have been gradually reducing
my soy intake after the first few years of going vegan when I started consuming it more than
There's a real possibility, then, that
your soy intake is significantly higher than you realize.
I'm not someone who has limited
my Soy intake as some do but there are non-soy Miso products as well.
The majority of
your soy intake should come from traditional or fermented soy foods.
Talaei M1, Koh WP2, van Dam RM3, Yuan JM4, Pan A5.Concluded «In conclusion,
soy intake was not significantly associated with risk of cardiovascular disease mortality in the Chinese population.
What they found is that both isoflavone and
soy intake were associated with a reduction in sperm count.
I only did it for a week and a half and think that
the soy intake bumped my hormones out of whack enough that I started my period Nov. 7th and haven't stopped bleeding since.
This is most worrisome for vegans and vegetarians who eat soy as their main source of protein, and for women in menopause who up
their soy intake through supplements.
The researchers suggest that a high soy diet (16 mg / day or more) may precipitate overt hypothyroidism for female patients with subclinical hypothyroidism and that
soy intake should be monitored with caution in this population.
In this study by Sathyapalan and colleagues, individuals (mostly women) were given two different levels of
soy intake: 16 grams per day typically seen in vegetarians and 2 grams per day, an average soy intake in the Western diet for 16 weeks (8 weeks per diet).
Those who believe soy negatively affects female fertility may be surprised to learn that the research shows the opposite:
soy intake has been positively associated with improving live births, pregnancy rates, and fertilization rates.
Three recent studies on breast cancer survivors have all found that
soy intake was associated with better survival — that is the just about the best evidence you are going to get of its safety.
For instance, a study conducted by scientists at Harvard University analyzed the semen of 99 men, correlated it with their soy and isoflavone intake during the 3 previous months, and found that both isoflavone and
soy intake were associated with a reduction in sperm count.
For another reason, though, restricting one's
soy intake to 3 - 5 servings a day is probably a good idea.
Phrases with «soy intake»