Afia & Ambler, G. & Strydom, A. & Rai, Dheeraj & Cooper, Claudia & McManus, Sally & Weich, Scott & Meltzer, H. & dein, Simon & Hassiotis, Angela. (2013). The relationship between happiness and intelligent quotient: The contribution of socio-economic and clinical factors. Psychological Medicine. 43.
136
Kanazawa, Satoshi. (2013). Why is intelligence associated with stability of happiness?. British Journal of Psychology. 105.
137
Stolarski, Maciej & Jasielska, Dorota & Zajenkowski, Marcin. (2014). Are all smart nations happier? Country aggregate IQ predicts happiness, but the relationship is moderated by individualism—collectivism. Intelligence. 50.
138
Gonzalez‐Mulé, Erik & Carter, Kameron & Mount, Michael. (2017). Are smarter people happier? Meta-analyses of the relationships between general mental ability and job and life satisfaction. Journal of Vocational Behavior. 99.
139
Dimitrijević, Ana & Marjanović, Zorana & Dimitrijevic, Aleksandar. (2018). Whichever intelligence makes you happy: The role of academic, emotional and practical abilities in predicting psychological well-being. Personality and Individual Differences. 132.
140
Ahmed, Rifaan & Kesavayuth, Dusanee & Zikos, Vasileios. (2018). Does being smarter make you happier? Evidence from Europe. Journal of Behavioral and Experimental Economics. 76.
141
Bailey, Drew & Geary, David. (2009). Hominid Brain Evolution. Human Nature. 20.
142
Hawks, John. (2011). Selection for smaller brains in Holocene human evolution.
143
Sherwood, Chet & Gordon, Adam & Allen, John & Phillips, Kimberley & Erwin, Joseph & Hof, Patrick & Hopkins, William. (2011). Aging of the cerebral cortex differs between humans and chimpanzees. Proceedings of the National Academy of Sciences of the United States of America. 108.
144
Laverick, Rosanna & Haddow, Lewis & Daskalopoulou, Marina & Lampe, Fiona & Gilson, Richard & Speakman, Andrew & Antinori, Andrea & Bruun, Tina & Vassilenko, Anna & Collins, Simon & Rodger, Alison. (2017). Self-reported difficulties with everyday function, cognitive symptoms and cognitive function in people with HIV. Journal of acquired immune deficiency syndromes (1999). 76.
145
Sizer, Alison. (2019). Non-employment, a risk factor for cognitive decline in later life?
146
Fryer, David & Warr, Peter. (1984). Unemployment and cognitive difficulties. The British journal of clinical psychology / the British Psychological Society. 23 (Pt 1).
147
Frese, Michael & Mohr, Gisela. (1987). Prolonged unemployment and depression in older workers: A longitudinal study of intervening variables. Social science & medicine (1982). 25.
148
Paul, Karsten & Moser, Klaus. (2009). Unemployment Impairs Mental Health: Meta-Analyses. Journal of Vocational Behavior. 74.
149
Kamerāde, Daiga & Wang, Senhu & Burchell, Brendan & Balderson, Ursula & Coutts, Adam. (2019). A shorter working week for everyone: How much paid work is needed for mental health and well-being?. Social Science & Medicine. 241.
150
Raichle, Marus & Gusnard, Debra. (2002). Appraising the brain’s energy budget. Proceedings of the National Academy of Sciences of the United States of America. 99.
151
Kuzawa, Christopher & Chugani, Harry & Grossman, Lawrence I & Lipovich, Leonard & Muzik, Otto & Hof, Patrick & Wildman, Derek & Sherwood, Chet & Leonard, William & Lange, Nicholas. (2014). Metabolic costs and evolutionary implications of human brain development. Proceedings of the National Academy of Sciences of the United States of America. 111.
152
Özugur, Suzan & Kunz, Lars & Straka, Hans. (2020). Relationship between oxygen consumption and neuronal activity in a defined neural circuit. BMC Biology. 18.
153
Coren, Stanley. (1994). The Intelligence of Dogs: Canine Consciousness and Capabilities. Free Press.
154
Cook, Amanda & Sridhar, Jaiashre & Ohm, Daniel & Rademaker, Alfred & Mesulam, M.-Marsel & Weintraub, Sandra & Rogalski, Emily. (2017). Rates of Cortical Atrophy in Adults 80 Years and Older With Superior vs Average Episodic Memory. JAMA. 317.
155
Paulozzi, Leonard. (2005). The role of sales of new motorcycles in a recent increase in motorcycle mortality rates. Journal of safety research. 36.
156
Redelmeier, Donald & Shafir, Eldar. (2017). The full moon and motorcycle related mortality: population based double control study. BMJ. 359.
157
National Highway Traffic Safety Administration (2019, May 26) Traffic Safety Facts: Motorcycles. Retrieved from https://crashstats.nhtsa.dot.gov/Api/Public/ViewPublication/812492
158
Grabowski, David & Morrisey, Michael. (2004). Gasoline prices and motor vehicle fatalities. Journal of Policy Analysis and Management. 23.
159
Oliveira, Nelson & Sousa, Regina. (2011). Traffic Accidents with Motorcycles and their Relationship to Mortality. Revista latino-americana de enfermagem. 19.
160
Chandran, Aruna & Sousa, Tanara & Guo, Yayi & Bishai, David & Pechansky, Flavio. (2012). Road Traffic Deaths in Brazil: Rising Trends in Pedestrian and Motorcycle Occupant Deaths. Traffic injury prevention. 13.
161
Zhu, He & Wilson, Fernando & Stimpson, Jim & Hilsenrath, Peter. (2015). Rising gasoline prices increase new motorcycle sales and fatalities. Injury Epidemiology. 2.
162
Puac Polanco, Victor & Keyes, Katherine & Li, Guohua. (2016). Mortality from motorcycle crashes: the baby-boomer cohort effect. Injury Epidemiology. 3.
163
Pavanitto, Drielle & Menezes, Renata & Nascimento, Luiz. (2018). Accidents involving motorcycles and potential years of life lost. An ecological and exploratory study. Sao Paulo Medical Journal. 136.
164
Sadeghi-Bazargani,