The reasons for this apparent contradiction between preferences and implementation are complex and diverse and therefore difficult to explore by quantitative methods.
Most of the locals make less than the equivalent of $20USD per month, making it difficult to get by, and tremendously difficult to explore hobbies like skateboarding where proper footwear and hardgoods are essentials.
The greater availability of toxicological data for larger sets of chemicals makes it more and more difficult to explore all possibilities manually.
Finally, the idea that the genetic drift (i.e., chance) may overcome the directional force of natural selection is counterintuitive and is thus difficult to explore in the classroom.
Latency and relapse may be influenced by external factors, including those related to geography and the seasons, 9 10 11 12 13 but there are few studies large enough to investigate this latency, and it is difficult to explore in endemic areas owing to reinfection.
This is likely because CXR lung images may be confounded by diaphragm, liver, heart, and vertebral images, whereas shoulder blades, supraclavicular fossa, and axillary region are difficult to explore by LUS due to probe positioning.
Unfortunately, no vectors were captured at that time, and this hypothesis is difficult to explore retrospectively.
Due in part to these limitations, the temporal and causal relationship between diabetes and cancer, if any, remains difficult to explore.
But just as research into epilepsy has been hindered by stigma, experts and advocates say the silence about Sudep is making it difficult to explore causes and treatments.
