Wolf describes scientific proof suggesting that sunscreens with these contaminants may have such results, and conflicting proof suggesting that they don’t. The bottom series for now, based on the content, is normally to slather on that sunscreen, because the verified benefits in reducing the chance of skin malignancy and premature epidermis maturing, outweigh the theoretical dangers.. Great things about nanoparticle sunscreens outweigh risks The most personal encounter that lots of consumers have had up to now with the much-heralded field of nanotechnology may be the topic of articles in today’s edition of Chemical & Engineering News , the American Chemical Society’s weekly newsmagazine.These may include an X-ray, CT scan, MRI, or ultrasound to check for an enlarged liver or spleen, and also to rule out any other possible causes of a child’s symptoms. Lumbar puncture. Also called a spinal tap, this procedure runs on the hollow needle to remove a small amount of cerebrospinal liquid for exam in a lab. Cancerous WBCs can gather around the brain and spinal cord. Flow cytometry tests. By learning the leukemia cells gathered from the bloodstream, bone marrow, and/or spinal fluid, doctors can determine the kind of leukemia a child has.