Seeing this research come from within the region is actually the thing that excites me the most. The team on this paper included researchers from eight institutions across three continents, and the chemical residue analysis was conducted at Washington State University, where Moonkham studied for his PhD
The plastic (found in the filters) goes through a process of pelletization and extrusion (compressing and molding into recycle plastic products)
It's important to note that these are general recommendations, and individual preferences and nicotine tolerances may vary
Comment les cigarettiers ont roul le monde entier, 17 mars 2014, Libration
But some things can make it more likely to happen, including connective tissue disorders, smoking, scuba diving, and flying at high altitudes