Toxin or medication? Immunotherapeutic effects of nicotine on a specialist caterpillar

Michael Garvey, Justin Bredlau, Karen Kester, Curtis Creighton & Ian Kaplan
1. A core tenant in the field of ecological immunology is that immune responses trade off with other physiological functions due to resource-allocation costs. Caterpillars, for example, tend to exhibit reduced immune responses when reared on more toxic food plants due to a cost from detoxifying or sequestering secondary metabolites, also known as the “vulnerable host hypothesis”. However, support for this hypothesis is mixed, and studies have not yet mechanistically isolated the relative contributions of...
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7 downloads reported since publication in 2020.

These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
What does this mean?