“My speculation is there may be lipid component(s) present in meat that some people need.

Source: https://www.independent.co.uk/life-style/food-and-drink/vegetarian-diet-food-genes-role-b2424309.html

Notably, there was a decrease in the levels of the aforementioned oxysterols and an increase in the Aβ42/40 ratio in the patient’s plasma, implying a positive effect on brain lipid metabolism, especially in ApoE4 patients.

Source: https://seekingalpha.com/article/4638584-new-amsterdam-pharma-stock-pioneering-pulse-alzheimers-breakthroughs?source=feed_all_articles

One is glucosylceramide, which is a neutral lipid.

Source: https://www.timesofisrael.com/study-gaucher-disease-common-among-ashkenazi-jews-protects-against-tuberculosis/

The most popular test, the HealthScreen w/CBC, includes a lipid panel.

Source: https://www.aspentimes.com/news/spring-health-fair-scheduled-for-mid-june-appointments-taken-now/

'We did not find any differences in the use of medications to lower blood pressure or lipid levels between women and men.'

Source: https://metro.co.uk/2023/05/23/women-are-over-twice-as-likely-to-die-after-a-heart-attack-than-men-18828354/

You would have seen that the doctor looks for the VLDL in your lipid profile.

Source: https://indianexpress.com/article/health-wellness/why-no-oil-can-be-good-for-your-heart-if-you-keep-overheating-and-frying-your-food-in-it-8495807/