VEGAN DIET
The Basics
Vegan and vegetarian diets appear to be among the top food
trends, but there is evidence that some people have been eating a predominantly
plant-based or vegetarian diet for centuries. However, it wasn’t until 1944
that the term “vegan” was coined. Essentially, individuals who follow a vegan
diet have opted to remove all animal-based foods from their diet. Many choose
vegan clothing, household items and personal care items as well. Most
individuals who adopt a vegan diet are doing so for the perceived health
benefits or to advocate for animal rights.
What Foods Make Up a Vegan Diet?
Vegan diets are made up of only plant-based foods. This type
of diet includes fruits, vegetables, soy, legumes, nuts and nut butters,
plant-based dairy alternatives, sprouted or fermented plant foods and whole
grains. Vegan diets don’t include animal foods like eggs, dairy, meat, poultry
or seafood. They also are devoid of animal byproducts such as honey (made by
bees) and lesser-known animal-based ingredients like whey, casein, lactose, egg
white albumen, gelatin, carmine, shellac, animal-derived vitamin D3 and
fish-derived omega-3 fatty acids.
Veganism and Health
The foods emphasized in a vegan diet are rich in many
nutrients like vitamins A, C, E and K, fiber, antioxidants and phytonutrients.
Vegan diets have been studied for their impact on human health. Below are some
highlights.
Research
One randomized controlled trial (RCT) examined the impact of
a vegan, no-added-fat diet on cardiovascular risk in obese children with
hypercholesterolemia and their parents. The results found that children and
parents who had adopted this diet had lower total cholesterol, blood pressure
and BMI compared to baseline. Another RCT found that vegan diets were associated
with improved glycemic control compared to a conventional diabetes diet in
individuals with Type 2 diabetes. Lastly, a 74-week RCT – albeit with a small
sample size – found a low-fat vegan diet appeared to improve glycemia and
plasma lipids more than a conventional diabetes diet. Larger and long-term
follow up studies are needed to support these findings.Health benefits of vegan
diets have also been noted in observational studies. One systematic review of
cross-sectional and prospective cohort studies reported lower body mass index,
total cholesterol, LDL cholesterol (or “bad” cholesterol) and blood glucose
levels in individuals following vegetarian or vegan diets compared to
omnivores. The results of the studies specific to people on a vegan diet indicated
that this eating pattern reduced the overall cancer risk by 15 percent.
Although cross-sectional and cohort studies cannot prove cause and effect (as
in, a vegan diet causes health benefits), these findings support the results of
RCTs, which are considered to be the gold standard of research and are designed
to demonstrate that an intervention (following a vegan diet) leads to an effect
(health benefits).Most of this research has garnered positive results. Still,
understanding the specific effects of vegan diets on health remains challenging
because research on this eating pattern is often grouped together with
vegetarian or plant-based diets, both of which may include animal products.
Nutrients of Concern
While the vegan diet can be very nutrient-rich, there are a
few nutrients to be particularly aware of when adopting this style of eating:
most notably vitamin B12, calcium, certain omega-3 fatty acids and iron.
Vitamin B12 is
important for metabolism, heart, nerve and muscle health and it’s mostly found
in animal products. Those following a vegan diet should opt for foods fortified
with B12. Moreover, individuals following a vegan diet should communicate with
a health care provider about monitoring their levels of B12 and their potential
need for a supplement, keeping in mind that a deficiency in B12 could take
years to manifest on a blood test.
Calcium is
essential for dental, nerve, bone and muscle health and it is best absorbed
with vitamin D. This nutrient is found predominantly in dairy foods and in
lesser amounts in leafy greens like kale and broccoli. It is also found in
fortified foods, such as tofu, bread and plant-based dairy alternatives. A
systematic review found that individuals following a vegan or vegetarian diet
had lower bone mineral density and higher fracture rates. Because calcium and
vitamin D are key to bone health, those on a vegan diet are advised to talk to
their healthcare provider to determine whether a supplement may be necessary.
Iron is a vital
component of metabolism and heart health. It is found mostly in animal foods.
Although fortified whole grains, beans, lentils, spinach and other plant-based
foods provide iron, it’s in the form of non-heme iron, which is not as
bioavailable as the heme iron found in animal foods.
Omega-3 fatty acids are
a type of polyunsaturated fat shown to support cardiovascular health. The three
most common types we eat are alpha-linolenic acid (ALA), eicosapentaenoic acid
(EPA) and docosahexaenoic acid (DHA). ALA is found in plant sources like flaxseed,
chia seeds and walnuts, but EPA and DHA are found mainly in animal foods with
the exception of some marine plant sources. ALA is converted by our bodies into
EPA and DHA, but only in small quantities. Vegan options for EPA and DHA are
microalgae and seaweed food products or supplements.
RECIPE OF THE DAY
Chocolate chip cookies
INGREDIENTS
·
1/2 cup + 1 tablespoon all-purpose flour
(spooned & leveled)
·
1/4 teaspoon baking soda
·
1/4 teaspoon salt
·
1/4 cup unsalted butter, softened
·
1/4 cup light brown sugar lightly packed
·
2 tablespoon granulated sugar
·
1 egg yolk
·
1/2 teaspoon vanilla
·
1/3 cup chocolate chips
INSTRUCTIONS
·
Preheat oven to 350 degrees. Line a baking sheet
with parchment paper or a silipat mat and set aside.
·
In a small bowl using a handheld mixer, mix
together the butter, brown sugar, and granulated sugar until smooth. Add in the
egg yolk and vanilla and mix until fully combined.
·
In a separate bowl, whisk together the flour,
baking soda, and salt.
·
Add the dry ingredients to the wet ingredients
and mix until fully combined, then fold in the chocolate chips.
·
Set dough aside to chill in the freezer for
about ten minutes. This will help to keep your cookies from spreading too much.
·
Remove dough from the freezer and scoop out
rounded balls of dough (about two tablespoons each) onto the baking sheet.
·
Bake for 10-12 minutes. Cookies will be slightly
underdone, allow to cool for at least ten minutes on baking sheet, then
transfer to a wire rack to finish cooling.
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