Long-term patterns of physical activity and the importance of consistent adherence to the recommended level remain poorly understood. Here, the authors show that maintaining physical activity over the ...

A loan modification is a long-term mortgage relief option for borrowers experiencing financial hardship, such as loss of income due to illness. A modification typically changes the loan’s rate, term ...

Chemical modification describes the modification, addition or removal, through chemical reaction, of any of a variety of macromolecules, including proteins and nucleic acids. It refers to the use of ...