Author Archives: BrainiYak

An Australian study of 453 pertussis isolates — shows that a part of whooping cough resurgence may be due to the bacterium’s evolved loss of the antigen — called pertactin — which the acellular vaccine prompts the immune system to react to 0

© 2014 Peter Free Citation — to study Connie Lam, Sophie Octavia, Lawrence Ricafort, Vitali Sintchenko, Gwendolyn L. Gilbert, Nicholas Wood, Peter McIntyre, Helen Marshall, Nicole Guiso, Anthony D. Keil, Andrew Lawrence, Jenny Robson, Geoff Hogg, and Ruiting Lan, Rapid Increase in Pertactin-deficient Bordetella pertussis Isolates, Australia, Emerging Infectious Diseases 20(4): 626-633, DOI: 10.3201/eid2004.131478 (April […]

Questionable methodology and reasoning — characterize an industry-sponsored report — which states that American nutritional supplement use is higher than previously estimated 0

© 2014 Peter Free Citation — to study Annette Dickinson, Judy Blatman, Neale El-Dash, and Julio C. Franco, Consumer Usage and Reasons for Using Dietary Supplements: Report of a Series of Surveys, Journal of the American College of Nutrition 33 (2): 176-182, DOI:10.1080/07315724.2013.875423 (14 April 2014) This is one of those abstracts that irritated me […]

Exotic state, 4 quark hadron confirmed — does not conform to conventional quark theory 0

© 2014 Peter Free Citations — to press releases Cian O’Luanaigh, LHCb confirms existence of exotic hadrons, CERN (09 April 2014) Syracuse University, New form of matter: Exotic hadron with two quarks, two anti-quarks confirmed, ScienceDaily (11 April 2014) Method From Syracuse University: “We analyzed tens of thousands of meson decays, selected from trillions of […]

Farming oysters on the Potomac riverbed could substantially reduce the stream’s algal eutrophication — which presumably would also help Chesapeake Bay — says a modeling effort — described in an exceptionally well written abstract 0

© 2014 Peter Free Citation — to study Suzanne B. Bricker, Karen C. Rice, and Owen P. Bricker III, From Headwaters to Coast: Influence of Human Activities on Water Quality of the Potomac River Estuary, Aquatic Geochemistry 20 (2-3): 201-323, DOI: 10.1007/s10498-014-9226-y (May 2014) Citation — to press release Ben Sherman and Karen Rice, Oyster […]

A paper on uncertainty in regard to climate change — claims that greater uncertainty requires more action today — (basically the potential catastrophe and Precautionary Principles combined) — when one could just as well argue that more uncertainty means that inaction may be a wiser course, for at least some people and regions 0

© 2014 Peter Free Citation — to studies Stephan Lewandowsky, James S. Risbey, Michael Smithson, Ben R. Newell, and John Hunter, Scientific uncertainty and climate change: Part I. Uncertainty and unabated emissions, Climate Change, DOI:10.1007/s10584-014-1082-7 (online publication, 04 April 2014) Stephan Lewandowsky, James S. Risbey, Michael Smithson, and Ben R. Newell, Scientific uncertainty and climate […]

An unwarranted conclusion based on spears found in the same sedimentary layer as a fossil saber toothed cat 0

© 2014 Peter Free Citation — to press release Antje Karbe, Humans and saber toothed tiger met at Schöningen 300.000 years ago, Eberhard Karls Universität Tübingen  (01 April 2014) The press release takes proximity to a surprising level of unwarranted inference The story: Scientists of the Lower Saxony Heritage Authority and of the University of […]

Frequency of alcohol consumption is apparently noticeably and positively correlated to the relative risk of dying from stroke — but this finding also serves as a reminder that absolute numbers are often more important in assessing whether to pay clinical attention to the correlation 0

© 2014 Peter Free Citation S. H. Rantakömi, S. Kurl, J. Sivenius, J. Kauhanen,  and J. A. Laukkanen, The frequency of alcohol consumption is associated with the stroke mortality, Acta Neurologica Scandinavica, DOI: 10.1111/ane.12243 (early online publication, 08 March 2014) Method and findings Researchers wanted to see whether frequency of alcohol consumption had an effect […]

A set of relaxed assumptions allowed a research team to conclude that an Archaea genus named Methanosarcina caused the Permian Extinction — by emitting loads of methane into the atmosphere — but is this science fiction masquerading as science? 0

© 2014 Peter Free Citation — to purported study Daniel H. Rothmana, Gregory P. Fournier, Katherine L. French, Eric J. Alm, Edward A. Boyle, Changqun Cao, and Roger E. Summons, Methanogenic burst in the end-Permian carbon cycle, Proceedings of the National Academy of Sciences [PNAS], DOI: 10.1073/pnas.1318106111 (published ahead of print, 31 March 2014) Citation […]

Poor sleep quality appears to be correlated with noticeably reduced cognitive ability in 70s-aged men 0

© 2014 Peter Free Citation — to study Terri Blackwell, Kristine Yaffe, Alison Laffan, Sonia Ancoli-Israel, Susan Redline, Kristine E. Ensrud, Yeonsu Song, and Katie L. Stone, Associations of Objectively and Subjectively Measured Sleep Quality with Subsequent Cognitive Decline in Older Community-Dwelling Men: The MrOS Sleep Study, Sleep 37 (4): 655-663, DOI: 10.5665/sleep.3562 (01 April […]

White coat hypertension due to a physician’s presence is apparently common and crosses cultures — an anticipated article in the British Journal of General Practice goes so far as to recommend that doctors have nurses (rather than themselves) take blood pressure readings in situations in which medication might be prescribed 0

© 2014 Peter Free Citation — to press release University of Exeter, Doctors raise blood pressure in patients, exeter.ac.uk (26 March 2014) Findings Nurses are less likely to boost patients’ blood pressure while taking it: A systematic review led by the University of Exeter Medical School . . . has discovered that recordings taken by […]