The spectrum of plant-based dietary patterns includes vegan (no animal foods), lacto-ovo vegetarian (dairy and eggs, but no animal flesh), pescatarian (fish and seafood, but no animal flesh), and semi-vegetarian
or "flexitarian' (small amounts of animal flesh).
The Adventist Health Study 2 compared five diet patterns (non-vegetarian, semi-vegetarian
, pescatarian, vegetarian, and vegan) among 96,000 participants, discovering that, overall, the more plant-based the diet, the greater the benefit for conditions like body weight; blood cholesterol, insulin, blood pressure, and inflammation levels; and risks of cancer, heart disease, type 2 diabetes, and mortality.
Surinder Baines, Jennifer Powers and Wendy J Brown, (2007), "How does the health and well-being of young Australian vegetarian and semi-vegetarian
women compare with non-vegetarians?
Orlich says that adopting a semi-vegetarian
diet, or even beginning with a vegetarian day during the week, can move your risk factor in the right direction.
4 percent semi-vegetarian
(eat animal products/seafood one or fewer times per week), and 47.
The inclusion of the variety of diets ranging from vegan to semi-vegetarian
provides insight in line with real world setting, but future research to understand if specific vegetarian diet types confer additional benefits over others would be relevant.
The study followed participants who were randomly assigned to one of five diets on the dietary spectrum: vegan which excludes all animal products, semi-vegetarian
with occasional meat intake; pesco-vegetarian which excludes all meat except seafood; vegetarian which excludes all meat and seafood but includes animal products, and omnivorous, which excludes no foods.
On top of lower mortality rates, switching from non-vegetarian diets to vegetarian diets or even semi-vegetarian
diets also helped reduce greenhouse gas emissions.
For over 20 years I've been a non-smoking semi-vegetarian
(mostly veggies, fruits, fish, and high-fiber carbs).
This leaves room for a spectrum of dietary patterns, including vegan (no animal foods), lacto-ovo vegetarian (dairy and eggs, but no animal flesh), pescatarian (fish and seafood, but no animal flesh), and semi-vegetarian
or "flexitarian" (small amounts of animal flesh).
By: some extenuating stroke of fortune, I happen to be a semi-vegetarian
("semi," in yet the loosest sense, that is), preferring fish to meat most of the time, the exceptions being lechon, Peking duck, Chinese chorizo, Majestic ham, salami and Spam, among others.
Researchers assessed dietary patients using a questionnaire that categorized study participants into five groups: non-vegetarian, semi-vegetarian
, pesco-vegetarian (includes seafood), lacto-ovo-vegetarian (includes dairy and egg products) and vegan.