check please

Article High prevalence of cannabis use among Aka foragers of the Co...

https://www.nature.com/articles/srep32826

https://pdfs.semanticscholar.org/c5bf/2a4c4b7d5cd64c92b5e721f19b98139b33f7.pdf

http://reset.me/study/study-marijuana-combats-intestinal-parasites-in-hunter-gatherers/

https://cannabis.net/blog/medical/cannabis-for-parasites-and-intestinal-worms

https://www.thefix.com/content/smoking-marijuana-linked-fewer-parasitic-infections-hunter-gatherers

Luis, thank you very much!

To Sergey Mikhailovich Slepchenko from Thomas N. Headland (at SIL in Dallas TX), on February 19, 2018:

I discuss the prevalence of intestinal parasite diseases (hookworms, whipworms, pinworms, roundworms) among the Agta Negrito hunter-gatherers in the Philippines in our 1998 book, Population Dynamics of a Philippine Rain Forest People, by John D. Early and Thomas Headland (Univ. Press of Florida), on the following pages:

31, 104, 106, 113-114, 115, 182-184.

I also mention the problem of parasitic diseases among the Agta in Headland (1989, p.65), in Headland (1990, p.4, 8); in Headland (1986 p.125, 394);

· Headland, TN. 1989. Population Decline in a Philippine Negrito Hunter-Gatherer Society. Amer Jour of Human Biology 1:59-72.

· Headland, TN. 1990. Time allocation, demography, and original affluence in a Philippine Negrito hunter-gatherer society. Paper presented at the Sixth International Conference on Hunting and Gathering Societies, University of Alarka, Fairbanks, May 28 - June 1, 1990; at the session entitled "On'@ Affluence Revisited."

· Headland, TN. 1986. Why Foragers Do Not Become Farmers: A Historical Study of a Changing Ecosystem and its Effect on a Negrito Hunter-Gatherer Group in the Philippines. Ph.D. dissertation in anthropology, University of Hawaii. Ann Arbor: University Microfilms International.

There is another article that discusses in detail the problem of parasites among the Agta. This is published in 2016 or 2017 in PNAS, the flagship journal of the Nat’L Academy of Sciences. The first author is Abigail E Page with 9 coauthors. It is titled “Reproductive trade-offs in extant hunter-gatherers suggest adaptive mechanism for the Neolithic expansion.” This may be more important for you than my references above. “Parasites among Agta” is mentioned 5 times. More important for you is that these authors cite eight other articles that discuss parasite diseases in other so-called “primitive” tribal populations. You may want to read all 8 of those, too.

There is also a typescript of 26 pages that may be the most important to you. It is written I think, by Cody Ross (an American anthropologist), and it is titled merely “Supplementary Information.” It is available online at file:///C:/Users/headland/Documents/DUMP/Cody%20Ross's%20appendix%20to%20his%20PNAS%20paper.pdf.

I think this is secondary information to Ross’s 2016 article on the Agta, of which my wife and I are two of the five secondary co-authors. Here is the reference:

Ross, C.T., Mulder, M.B., Winterhalder, B., Uehara, R., Headland, J. & Headland, T. 2016. Evidence for Quantity-Quality Trade-Offs, Sex-Specific Parental Investment, and Variance Compensation in Colonized Agta Foragers Undergoing Demographic Transition, Evolution and Human Behavior 37:350-365

I hope this helps you. Sincerely, Thomas Headland

PS: I mention the more serious disease problem of malaria parasites in my publications, too, but I don’t list the references here because you only asked about intestinal parasites.

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Dear Thomas!

Thank you very much! These are very useful articles and data for me!

all the best

Sergey